201020112012201320142015
January13.114.515.013.912.110.3
February13.014.415.113.712.010.1
March13.214.414.913.611.910.0
April13.514.414.813.611.6
May13.814.414.713.511.5
June13.714.514.813.311.3
July13.814.714.713.011.2
August13.914.814.712.711.1
September14.314.714.512.610.9
October14.514.814.412.410.7
November14.714.914.312.310.4
December14.715.014.112.210.4