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For more information on this release:
E-mail: Trade@cso.ie Ciarán Counihan +353 1 4984215 Damian Malone +353 1 4984206
For general information on CSO statistics:
information@cso.ie (+353) 21 453 5000 On-line ISSN 2009-5155
CSO statistical release, , 11am

Goods Exports and Imports

September 2016

Seasonally adjusted
€ million
 ExportsImportsSurplus
April 20169,7165,5264,191
May 20169,4636,1903,273
June 201610,0726,0364,037
July 20168,8865,7403,146
August 201610,3285,7264,601
September 20169,8766,1073,770

Seasonally adjusted goods trade surplus decreases in September

Goods Exports and Imports seasonally adjusted
go to full release

Preliminary figures for September 2016 show that seasonally adjusted goods exports decreased by €451 million (-4%) to €9,876 million compared with August 2016.

Seasonally adjusted goods imports increased by €380 million (+7%) to €6,107 million, leading to a decrease of €831 million (-18%) in the seasonally adjusted trade surplus to €3,770 million in September 2016 (see Table 2).

Exports of Electrical machinery increase in September

The (unadjusted) value of goods exports for September 2016 was €10,034 million, representing an increase of €596 million (+6%) when compared with September 2015.  The value of goods exports for the period January to September 2016 was €86,284 million, an increase of €4,060 million (+5%) when compared with the first nine months of 2015.

Exports of Electrical machinery, apparatus and appliances increased by €327 million (+128%) to €582 million in September 2016 compared with September 2015.

Exports of Organic chemicals increased by €397 million (+27%) to €1,881 million.

Exports of Medical and pharmaceutical products increased by €274 million (+12%) to €2,599 million over the same comparative period.

Imports of Organic chemicals increase in September

The (unadjusted) value of goods imports for September 2016 was €5,916 million, representing an increase of €153 million (+3%) when compared with September 2015.  The value of goods imports for January to September 2016 was €51,491 million, which is an increase of €906 million (+2%) compared with the first nine months of 2015.

Imports of Organic chemicals increased by €159 million (+49%) to €484 million in September 2016.

Imports of Other transport equipment increased by €299 million (+34%) to €1,184 million in September 2016 compared with September 2015.

Imports of Machinery specialised for particular industries decreased by €67 million (-43%) to €88 million over the same period.

The value of goods imports for September 2016 excluding SITC 79 (Other transport equipment, including aircraft) was €4,731 million, a decrease of €146 million (-3%) when compared with the corresponding September 2015 figure of €4,878 million.

Geographic breakdown of goods exports and imports

The EU accounted for €5,180 million (52%) of total goods exports in September 2016, of which €1,181 million went to Belgium and €1,145 million to Great Britain.   

The USA was the main non-EU destination accounting for €2,639 million (26%) of total exports in September 2016.

Exports to the EU decreased by €190 million (-4%) in September 2016 compared with September 2015, while non-EU exports increased by €786 million (+19%) over the same period.

The EU accounted for €3,703 (63%) of the value of goods imports in September 2016, with €1,305 million (22%) of total imports coming from Great Britain.

The USA with €824 million (14%) and China with €351 million (6%) were the main non-EU sources of imports.

Imports from the EU increased by €332 million (+10%) in September 2016 compared with September 2015. Non-EU imports decreased by €180 million (-8%) over the same period.

  

NOTE on revised data: This release includes significant revisions to International Trade in Goods statistics.  While the most significant revision is due to recording trade in aircraft on a "transfer of economic ownership" basis, other revisions have been incorporated into the Trade data back to 2000. The technical note (http://www.cso.ie/en/surveysandmethodology/externaltrade/) gives more detail on the revised trade in aircraft methodology and explains the impact the revisions will have on Trade in Goods, National Accounts and Balance of Payments. 

 

In tables 3,4,5 of this release, the year to-date figure for Exports and Imports for January-September 2015 has been revised on 17 November 2016. The text now reflects this change.
This map is © Ordnance Survey Ireland. All rights reserved. License number 01/05/001.
This map is © Ordnance Survey Ireland. All rights reserved. License number 01/05/001.
Table 1 Goods Exports and Imports summary analysis    
          
PeriodValue1Volume index2Unit value index2 
ExportsImportsTrade surplusBase year 2010=100
€m€m€mExportsImportsExportsImportsTerms of trade3
2000 83,98654,96029,026 86.7  107.8  106.5  104.7  101.7
2001 92,73056,45536,275 104.6  116.0  97.5  99.9  97.6
2002 94,05955,10638,953 110.7  122.0  93.4  92.7  100.8
2003 82,58548,51534,070 99.2  112.6  91.6  88.4  103.5
2004 84,94951,55733,392 101.9  108.7  91.7  97.4  94.1
2005 87,17358,46328,710 101.3  125.7  94.6  95.5  99.1
2006 87,49763,83323,664 99.4  132.4  96.9  99.0  97.8
2007 90,58065,93924,640 102.9  141.8  96.8  95.5  101.4
2008 88,50359,33629,168 93.2  126.8  104.4  96.1  108.6
2009 87,58648,20339,382 103.5  108.3  93.1  91.4  101.8
2010 90,92448,69542,229 100.0  100.0  100.0  100.0  100.0
2011 93,19153,03540,155 106.1  110.4  96.6  98.7  97.9
2012 93,50756,17937,328 100.6  120.2  102.2  96.0  106.5
2013 89,18255,78733,394 101.1  123.5  97.0  92.8  104.6
2014 92,61662,15830,458 103.8  130.1  98.2  98.1  100.1
2015 112,40770,11142,296 115.5  143.6  106.8  100.3  106.5
          
2014Quarter 121,76515,2276,538 102.1  129.8  93.7  96.5  97.2
 Quarter 223,55914,7458,814 105.9  127.7  97.8  94.9  103.0
 Quarter 323,27115,3457,926 103.6  127.5  98.9  98.9  100.0
 Quarter 424,02116,8407,180 103.3  139.1  102.3  99.5  102.9
2015Quarter 126,04316,8649,179 110.9  140.2  103.3  98.7  104.6
 Quarter 228,70516,98311,721 115.6  136.5  109.3  102.4  106.9
 Quarter 327,47716,73810,739 115.3  136.5  104.8  100.9  103.9
 Quarter 430,18319,52610,657 124.4  172.9  106.6  94.3  113.0
2016Quarter 127,27017,18910,080 123.3  152.6  97.5  92.5  105.5
 Quarter 229,79017,59612,195 133.0  149.1  98.5  96.9  101.7
 Quarter 329,22416,70612,518 128.3  136.7  100.1  100.7  99.7
          
2014January7,0855,1811,904 99.6  131.8  93.9  96.9  96.9
 February6,9594,6112,348 98.9  116.3  92.9  97.7  95.1
 March7,7205,4342,286 107.9  141.3  94.4  94.8  99.6
 April7,3224,8662,455 102.7  129.3  94.1  92.7  101.5
 May8,1584,9723,187 109.6  130.1  98.2  94.2  104.2
 June8,0804,9073,172 105.4  123.6  101.2  97.9  103.4
 July7,2525,2671,984 96.3  133.1  99.4  97.5  101.9
 August7,7734,7952,978 104.8  118.7  97.9  99.6  98.3
 September8,2475,2832,964 109.6  130.8  99.3  99.6  99.7
 October7,9325,5862,347 102.7  139.0  101.9  99.0  102.9
 November7,8645,5842,280 99.1  138.2  104.7  99.5  105.2
 December8,2245,6712,553 108.1  140.0  100.4  99.8  100.6
          
2015January8,2905,3682,922 107.1  133.2  102.1  99.3  102.9
 February8,3485,1363,212 107.7  131.0  102.3  96.6  105.8
 March9,4056,3603,045 117.7  156.4  105.5  100.2  105.2
 April9,6145,6373,977 115.9  133.3  109.5  104.2  105.0
 May9,1805,5353,645 110.3  129.2  109.8  105.6  104.0
 June9,9115,8114,099 120.4  147.0  108.6  97.4  111.5
 July9,4135,7653,648 116.0  139.9  107.1  101.5  105.5
 August8,6265,2093,416 112.9  124.0  100.8  103.6  97.4
 September9,4385,7633,675 117.2  145.5  106.3  97.6  108.9
 October10,7546,3364,418 128.7  171.0  110.1  93.7  117.4
 November10,1796,1963,983 129.2  164.1  104.0  95.5  108.9
 December9,2516,9942,256 115.4  183.7  105.8  93.8  112.8
       
20164January8,7615,0313,730 125.0  138.3  92.5  89.7  103.2
 February8,4265,3523,074 108.4  139.6  102.5  94.5  108.5
 March10,0836,8063,276 136.4  180.0  97.6  93.2  104.7
 April9,8925,4024,489 129.7  138.3  100.7  96.3  104.6
 May9,2106,0963,114 126.9  153.5  95.7  97.9  97.8
 June10,6896,0984,591 142.3  155.5  99.2  96.6  102.6
 July9,0875,3163,771 121.4  133.6  98.8  98.1  100.8
 August10,1025,4744,628 134.1  125.6  99.4  107.4  92.5
 September10,0345,9164,119 129.5  150.9  102.2  96.6  105.8
1 Trade statistics revised since 2000, see background notes.     
2 Monthly data have been rescaled to make their average equal to the annual.
   Indices have been rebased to the year 2010. See background notes.
3 Export unit value index divided by Import unit value index.     
4 Revised. September 2016 is based on current Intrastat response levels. See background notes.  
        
Table 2 Goods Exports and Imports seasonally adjusted1 series  
PeriodValueVolume index
ExportsImportsTrade surplusBase year 2010=100
€m€m€mExportsImports
     
2013Quarter 121,73113,4748,257 93.8  121.8
 Quarter 222,02313,9668,057 102.1  122.5
 Quarter 322,93514,0938,841 105.9  123.8
 Quarter 422,66014,3198,342 104.5  127.0
2014Quarter 121,80714,4487,359 102.0  124.2
Quarter 223,18314,8348,349 105.1  128.0
Quarter 323,36916,2647,105 104.0  134.1
Quarter 424,62416,8047,820 105.5  138.8
2015Quarter 126,28616,06210,224 112.8  132.4
 Quarter 228,46017,27111,189 113.8  136.4
 Quarter 327,21117,6129,599 114.5  145.2
 Quarter 430,82319,20511,618 126.7  172.4
2016Quarter 127,33216,27411,058 123.5  144.4
 Quarter 229,25117,75211,500 130.4  150.7
 Quarter 329,09017,57311,516 127.5  144.6
      
2013January6,9774,4572,520 93.6  124.6
 February7,1704,5972,574 93.3  122.4
March7,5844,4203,164 94.6  118.3
April7,5314,6032,928 98.8  121.5
May7,2464,5892,657 101.2  121.4
June7,2464,7752,472 106.2  124.7
July7,5684,6662,902 110.5  122.2
August7,8764,9322,944 105.0  128.9
September7,4904,4952,995 102.3  120.2
October7,5014,7652,736 105.7  125.9
November7,2334,9082,325 99.4  130.7
December7,9274,6463,281 108.5  124.5
2014January7,2734,7132,560 102.9  121.7
 February7,4154,6122,803 104.2  117.9
 March7,1195,1231,996 99.0  133.0
 April7,0804,5722,508 100.6  123.0
 May8,1715,2642,907 109.9  134.6
 June7,9324,9982,934 104.8  126.4
 July6,9515,5911,360 92.7  140.2
 August8,3885,3843,004 113.3  131.3
 September8,0305,2892,741 105.9  130.7
 October7,8735,5092,364 100.2  135.3
 November7,4085,7991,609 94.1  144.6
 December9,3435,4963,848 122.2  136.4
 
2015January8,6415,0073,633 111.0  128.0
 February8,9665,3163,650 116.1  132.0
 March8,6795,7392,941 111.4  137.2
 April9,7405,6784,061 118.6  130.5
 May9,3765,8873,489 108.7  135.2
 June9,3455,7063,639 114.2  143.4
 July9,0766,1022,974 114.5  149.2
 August9,1505,7253,425 118.7  139.0
 September8,9865,7863,200 110.4  147.4
 October10,8206,2504,570 128.7  171.9
 November9,5216,1083,413 121.3  164.2
 December10,4826,8463,635 130.0  181.2
   
2016January9,3094,9804,330 131.3  140.9
 February8,7985,3983,400 112.3  138.9
 March9,2255,8973,328 126.8  153.5
 April9,7165,5264,191 129.2  142.2
 May9,4636,1903,273 128.2  156.3
 June10,0726,0364,037 133.7  153.7
 July8,8865,7403,146 119.2  145.3
 August 10,3285,7264,601 135.4  133.4
 September9,8766,1073,770 128.0  155.0
1 Based on seasonal patterns up to December 2015. Accordingly all values in this table may have been revised.
Table 3 Goods Exports and Imports classified by commodity1 
 €million
SITC (Rev 4)ExportsImports
SepSepJan-SepJan-SepSepSepJan-SepJan-Sep
20152016201520162015201620152016
0Food and live animals8499397,1637,3235625324,7704,833
00Live animals other than animals of Division 032668203200612103109
01Meat and meat preparations2943342,5722,6218679712696
02Dairy products and birds' eggs1611771,3301,2735340534453
03Fish, crustaceans, molluscs and preparations thereof46394163992221194196
04Cereals and cereal preparations36322962748884730757
05Vegetables and fruit25242172129795862914
06Sugars, sugar preparations and honey27241081753731277285
07Coffee, tea, cocoa, spices and manufactures thereof39332732835454383399
08Feeding stuff for animals (excluding unmilled cereals)24242192017166556555
09Miscellaneous edible products and preparations1701841,5311,6864749420469
1Beverages and tobacco1371409289589095636677
11Beverages 1341388939238190569604
12Tobacco and tobacco manufactures4235341056673
2Crude materials, inedible, except fuels1451291,3851,1286865642620
21Hides, skins and furskins, raw1211117930000
22Oil seeds and oleaginous fruits 111111332623
23Crude rubber (including synthetic and reclaimed) 001111118
24Cork and wood14131191191514112113
25Pulp and waste paper664555544742
26Textile fibres and their wastes1612109100211411
27Crude fertilisers and minerals (excluding coal, petroleum and precious stones)121010498111099102
28Metalliferous ores and metal scrap73687865581819186165
29Crude animal and vegetable materials nes11895931414147156
3Mineral fuels, lubricants and related materials45626055153803454,0382,690
32Coal, coke and briquettes6679801619142108
33Petroleum, petroleum products and related materials38544994002732712,9572,044
34Gas, natural and manufactured015108955881526
35Electric current122325205813
4Animal and vegetable oils, fats and waxes5739581921183183
41Animal oils and fats463351111114
42Fixed vegetable fats and oils11451517152149
43Animal or vegetable fats and oils, processed; waxes0012322020
5Chemicals and related products4,7965,50447,12049,2301,1741,29610,18311,077
51Organic chemicals1,4851,88115,20317,7593254842,6663,295
52Inorganic chemicals11271291323317199202
53Dyeing, tanning and colouring materials10271031801918169170
54Medical and pharmaceutical products2,3252,59922,32921,9264844664,2014,461
55Essential oils; perfume materials; toilet and cleansing preparations6176366,1426,0621261169561,009
56Fertilisers (other than those of Division 27)0054712352266
57Plastics in primary forms38343102767165643608
58Plastics in non-primary forms47433833654847423434
59Chemical materials and products nes2632562,5182,5266072575632
6Manufactured goods classified chiefly by material1931881,5811,6204104293,5373,562
61Leather; leather manufactures nes; dressed furskins562729221817
62Rubber manufactures nes6657632825243234
63Cork and wood manufactures (excluding furniture)22241821932323184195
64Paper, paperboard and articles thereof15141081278276681645
65Textile yarn, fabrics, made-up articles and related products16141331274038333349
66Non-metallic mineral manufactures nes38393093414947372383
67Iron and steel16131621205958480487
68Non-ferrous metals6654593653447416
69Manufactures of metals nes706554856192105779837
7Machinery and transport equipment1,8691,68111,92713,8872,1512,29719,55320,446
71Power generating machinery and equipment43313343345783439537
72Machinery specialised for particular industries4465473532155881,808945
73Metalworking machinery222218788383
74General industrial machinery and equipment nes and parts nes1571561,2921,2651591401,1911,184
75Office machines and automatic data processing machines (including computers)4113442,9942,7603352702,7292,450
76Telecommunications and sound equipment78806746591361191,0821,107
77Electrical machinery, apparatus and appliances nes and parts2555822,0325,0442212171,8031,849
78Road vehicles (including air-cushion vehicles)30212362391941872,3082,825
79Other transport equipment (including aircraft)8493993,8693,0358861,1848,1109,466
8Miscellaneous manufactured articles1,2811,30510,57310,9117516975,8675,983
81Prefab buildings; plumbing and electrical fixtures and fittings16121161202320168170
82Furniture and parts thereof; bedding, cushions etc17151291443938324327
83Travel goods, handbags and similar containers2217221310102102
84Articles of apparel; clothing accessories30252162381911711,3341,372
85Footwear4431363935302291
87Professional, scientific and controlling apparatus nes5035374,5064,5111501421,3441,283
88Photographic apparatus; optical goods; watches and clocks951118309133432270305
89Miscellaneous manufactured articles nes6135994,7284,9272632512,0222,135
9Commodities and transactions not classified elsewhere52154231703132238269
Unclassified estimates266654794841261079381150
           
Total9,43810,03482,22486,2845,7635,91650,58551,491
1 Trade statistics revised since 2000. September 2016 is based on current Intrastat response levels. See background notes.
2 Estimates for which a commodity classification is not available.
Table 4 Goods Exports and Imports classified by country1
        €million
CountryExportsImports
SepSepJan-SepJan-SepSepSepJan-SepJan-Sep
20152016201520162015201620152016
Austria34253262683019200189
Belgium1,2611,18110,73211,0441051169481,028
Bulgaria667462325530
Croatia22273001425
Cyprus6226250032
Czech Republic30313172754736360339
Denmark55564594503750336360
Estonia232135423711
Finland19162321841510109118
France3974083,6643,6825571,0795,7076,442
Germany6496865,6295,9064544404,1055,101
Great Britain1,5031,14510,1669,6341,4581,30512,26711,301
Greece2723229206443536
Hungary 31222472238987119
Italy 2332102,0081,807123112908997
Latvia584045332528
Lithuania332627656650
Luxembourg655049323423
Malta3222341199
Netherlands3816363,6924,3612282112,0101,941
Northern Ireland1661461,3091,2149281812762
Poland1141059091,0934639385410
Portugal29443353151729150186
Romania3927277219897581
Slovakia665462475345
Slovenia463060221730
Spain2692963,0032,2725978668800
Sweden85667005663829361324
EU country not specified2514252441919382253
Total EU5,3705,18044,62944,3923,3713,70330,20831,041
  of which Euro-Zone33,3313,55930,09330,3811,6102,12215,01817,037
         
Australia1102227721,2101077781
Brazil16201791756414427113
Canada65716647046537371415
China42152791,6702,2824253513,1832,998
India63254272144447363424
Japan1531642,3851,940109761,361938
Malaysia18201811552320208226
Mexico1551181,0601,0212829272260
Norway342622718197104894776
Russia2629274262512128125
Saudi Arabia683974463601248
Singapore56544644353450325345
South Africa3122211163887075
South Korea32634067755088424627
Switzerland3135814,2244,411621878421,183
Taiwan14181211642723238280
Thailand18131781544540441329
Turkey57454613873336356369
USA2,2132,63919,25722,2369988248,0418,418
Other countries4093753,6714,0541942031,8011,633
Country unknown5030193347157533827
 
Total9,43810,03482,22486,2845,7635,91650,58551,491
1 Trade statistics revised since 2000. September 2016 is based on current Intrastat response levels. See background notes.
2 Includes estimates for traders below the Intrastat threshold and transactions where the EU country was not specified.
3 Euro-zone members from January 2015: Austria, Belgium, Germany, Spain, Finland, France, Luxembourg, Greece, Ireland,
  Italy, the Netherlands, Portugal, Slovenia, Malta, Cyprus, Slovakia, Estonia, Latvia and Lithuania.
4China includes Hong Kong and Macao.   
5 Trade for which the country of origin or country of final destination is unknown.
Table 5 Goods Exports and Imports classified by commodity and principal countries1
    €million
  ExportsImports
 Country by Section level of SITCSepSepJan-SepJan-SepSepSepJan-SepJan-Sep
20152016201520162015201620152016
Great Britain1,5031,14510,1669,6341,4581,30512,26711,301
0Food and live animals3193672,7602,6622402291,9581,965
1Beverages and tobacco22211831613138219239
2Crude materials, inedible, except fuels29313022801411127114
3Mineral fuels, lubricants and related materials38402963372211742,4631,464
4Animal and vegetable oils, fats and waxes1189433432
5Chemicals and related products3843192,9422,7862072031,7381,766
6Manufactured goods classified chiefly by material82826867091671541,3351,292
7Machinery and transport equipment4851591,9201,6042672472,0852,176
8Miscellaneous manufactured articles108958188412291851,7161,577
9Commodities and transactions not classified elsewhere35292492447961590675
Other EU23,8674,03534,46334,7571,9132,39917,94119,740
0Food and live animals3193452,6852,6692342072,0622,053
1Beverages and tobacco36412633034438296304
2Crude materials, inedible, except fuels81667665892322210210
3Mineral fuels, lubricants and related materials7780901419262221
4Animal and vegetable oils, fats and waxes3529451313113117
5Chemicals and related products2,2622,31321,10221,0204193863,7363,787
6Manufactured goods classified chiefly by material74716356161391641,3061,318
7Machinery and transport equipment5526454,4094,6528171,3398,3159,825
8Miscellaneous manufactured articles4924974,2014,4521491501,1771,320
9Commodities and transactions not classified elsewhere41452943206261465586
USA2,2132,63919,25722,2369988248,0418,418
0Food and live animals35371742802318140174
1Beverages and tobacco5659337367221414
2Crude materials, inedible, except fuels433029443336
3Mineral fuels, lubricants and related materials014224842630108170
4Animal and vegetable oils, fats and waxes0-000011
5Chemicals and related products1,1721,57012,19114,1023053132,2462,503
6Manufactured goods classified chiefly by material1420961593034286290
7Machinery and transport equipment4954492,5643,5235103244,3314,242
8Miscellaneous manufactured articles4364833,6013,6649492843927
9Commodities and transactions not classified elsewhere233928573962
China3 2152791,6702,2824253513,1832,998
0Food and live animals5764463627232923
1Beverages and tobacco11440000
2Crude materials, inedible, except fuels1078468342629
3Mineral fuels, lubricants and related materials00000000
4Animal and vegetable oils, fats and waxes00120000
5Chemicals and related products89505336252031190253
6Manufactured goods classified chiefly by material3227194038314313
7Machinery and transport equipment271202716192021471,6421,407
8Miscellaneous manufactured articles2935287317153124944931
9Commodities and transactions not classified elsewhere0000543742
Rest of World1,6391,93616,66817,3749681,0379,1539,034
0Food and live animals1171251,0801,0846376581618
1Beverages and tobacco23181411221416107120
2Crude materials, inedible, except fuels22222041622525246231
3Mineral fuels, lubricants and related materials00441191231,204835
4Animal and vegetable oils, fats and waxes0012343533
5Chemicals and related products8881,25310,35210,6982243632,2732,769
6Manufactured goods classified chiefly by material20121371173438296350
7Machinery and transport equipment3103072,7633,4873552403,1802,796
8Miscellaneous manufactured articles2161951,6671,6381251461,1861,229
9Commodities and transactions not classified elsewhere41232061664554
          
Total9,43810,03482,22486,2845,7635,91650,58551,491
1 Trade statistics revised since 2000. September 2016 is based on current Intrastat response levels. See background notes. 
2 Includes estimates for traders below the Intrastat threshold and transactions where the EU country was not specified. 
3 China includes Hong Kong and Macao.

Background Notes

 

Introduction

Goods Exports and Imports statistics provide data on the movement of goods between countries. The statistics are a combination of Customs-based non-EU trade statistics and data from the Intrastat Survey of Irish traders involved in trade with other EU member states. The collection of trade data is the responsibility of VIMA (a branch of Revenue). The CSO is responsible for processing and disseminating the data.

Revisions to the Trade in Goods statistics

Since May 2015, significant revisions were incorporated into International Trade in Goods statistics.  While the most significant revision is due to recording trade in aircraft on a "transfer of economic ownership" basis, other revisions were incorporated into the Trade data back to 2000. 

Along with the aircraft revisions Goods Exports revisions also include upward revisions due to revaluing some products that had previously been recorded on a “transfer of economic ownership” basis, which was not in line with goods statistics methodology.  Also Goods Imports revisions include downward revisions due to a change in the estimation methodology for non-response.

The technical note (http://www.cso.ie/en/surveysandmethodology/externaltrade/) gives more detail on the revised trade in aircraft methodology and explains the impact the revisions will have on Trade in Goods, National Accounts and Balance of Payments.

Standard Revisions

Trade figures are subject to revision on the incorporation of late Intrastat and VAT returns and corrections made by traders. When the preliminary results for a month are published, the results for months -1 (August 2016 in this publication), -4 (May 2016) and -8 (January 2016) are revised. Following the move to a "transfer of economic ownership" basis for recording exports and imports of aircraft, SITC 79 figures are subject to revision on the incorporation of transactions from quarterly Balance of Payments (BoP) surveys. Such revisions will generally be incorporated into Goods Exports and Imports releases that coincide with quarterly BoP publications, i.e. when initial results are published for January, April, July and October.

Intrastat System

The Intrastat system has two components. Firstly, the Intrastat survey (conducted by the Revenue Commissioners), in which traders, above the Intrastat survey trade thresholds, make detailed monthly returns giving information on the quantity and value of all exports to or imports from EU countries.

The total number of traders required to make a detailed import return is around 3,500 while around 2,100 must make a detailed export return. The response rate in terms of number of traders in September 2016 was 64%, covering an estimated 91% of the total value of intra-EU trade (these response rates will have increased by the next time data for September is published).

The second component of the Intrastat system is the regular VAT return, on which all traders are required to record the total value of goods imported from and exported to other EU countries. This information provides the basis for determining total EU trade for those traders below the Intrastat survey thresholds. It is also used to maintain the register of EU traders.

Extrastat System

The statistics of trade with non-EU countries are compiled from the documents supplied by importers and exporters to the Customs authorities. The document is the Single Administrative Document (SAD) used for Customs clearance purposes.

Estimation

The figures in this release include estimates for traders above the Intrastat thresholds who did not make detailed returns for the period and for traders below the thresholds who did not provide aggregate intra-EU trade figures on their VAT returns.

Estimates for Intrastat non-respondents are apportioned to individual commodities and countries whenever previous Intrastat returns are available. Estimates for traders below the Intrastat thresholds are assigned to partner country where possible, but not to commodity.

More information is now being processed on lower value transactions. Prior to January 2012, transactions below €254 were grouped together, this value has now decreased to €127. Therefore, this has resulted in more detail being available at commodity level in Table 3 and at country level in Tables 4 and 5.

Unit Value Indices

The monthly unit value index measures monthly unit value trends relative to the annual levels in the preceding year using value weights relating to that year’s trade (Laspeyres index).

The annual index is compiled using value weights for both the current and previous year (Fisher index) to allow for change in the structure of trade in goods.

The monthly index series should be regarded as interim measures suitable for month-to-month comparisons within a given year. Previous monthly indices are revised when late returns are received.

When the annual unit value index is compiled, the monthly unit value indices are rescaled to make their average equal to the annual index.

The unit value index series has been rebased to 2010 from 1990. In the course of this rebasing, a detailed examination of the series was undertaken. This exercise has produced a number of modifications enabling production of a more robust series.

Seasonally Adjusted Series

Monthly exports, imports, trade surplus and the volume series for exports and imports have been seasonally adjusted using the US Bureau of the Census X-11 Variant of the Census Method 11 Seasonal Adjustment Program. In the main, monthly projections are based on series recalculated at the end of the previous year.

Methodology

There are methodological differences between the measurement of exports and imports in this release compared with Industrial Production, National Accounts and Balance of Payments statistics. This release records the movement of all goods over the frontier at the valuation placed on the goods at the time of crossing  the frontier. Industrial Production, National Accounts and Balance of Payments statistics take account of additional aspects of cross-frontier activities such as goods sent abroad for processing where goods cross the frontier without change of ownership. The CSO releases for those statistics provide more information on their methodology.

Services Exports and Imports

The quarterly Balance of Payments (BoP) statistics provide detail on Services exports and imports.

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