Year 1 2 3 4 5 6 7 8 9 10 11 12 Total 2020 39.1 60.5 30.5 27.9 21.1 2019 136.6 28.4 18.3 62.7 18.0 10.4 21.6 17.8 78.2 106.4 98.0 2018 131.8 71.4 24.6 81.3 4.6 11.9 0.5 0.5 58.9 172.4 194.3 2017 37.1 74.9 73.7 39.6 25.9 14.5 0.8 3.6 21.6 141.4 195.8 124.2 753 2016 99.3 150.4 101.6 8.6 9.6 8.4 2.5 6.3 31.2 125.2 111.8 143.7 799 2015 146.3 66.0 123.9 37.6 4.6 5.3 8.4 24.9 48.8 120.1 185.7 39.1 811 2014 122.4 141.5 168.7 72.4 26.9 10.9 4.6 15.0 35.0 141.5 150.4 138.9 1028 2013 99.8 71.3 106.7 108.2 48.0 24.4 0.0 16.3 142.0 31.2 87.6 47.7 783 2012 149.6 87.4 94.5 54.6 22.4 35.3 20.8 0.8 0.0 163.6 161.3 168.1 958 2011 213.8 110.0 144.8 106.4 62.0 5.6 11.4 11.9 36.6 84.3 166.6 89.6 1043 2010 95.0 37.1 90.7 59.2 69.6 18.0 0.2 25.1 75.9 68.0 93.2 178.3 810 2009 182.9 28.7 73.9 36.6 42.6 5.1 7.4 12.5 41.6 137.9 292.3 67.3 929 2008 82.5 75.9 91.2 32.5 10.6 19.0 5.6 25.4 10.4 46.2 142.2 83.3 625 2007 200.1 104.4 137.2 51.8 17.0 24.4 26.4 14.7 25.9 81.0 84.1 171.7 939 2006 55.1 35.5 28.4 29.5 3.5 4.3 25.9 41.4 370.6 107.7 Average 91 55 28 16 8 13 44 96 165 120 131 78 861 Std Dev 42 28 20 9 9 9 37 43 81 51 50 39 127