200920102011201220132014
January9.513.114.515.013.912.0
February10.213.014.415.113.811.9
March10.913.214.414.913.711.8
April11.513.514.414.813.6
May12.113.814.414.713.6
June12.313.714.514.813.3
July12.513.814.714.713.0
August12.613.914.814.712.7
September12.914.314.714.512.5
October13.014.514.814.412.3
November13.014.714.914.212.1
December13.014.715.014.112.1