Year 1 2 3 4 5 6 7 8 9 10 11 12 Total 2021 84.1 70.9 19.8 15.5 14.0 36.6 0.0 3.3 56.9 1.8 0.5 3.6 307 2020 230.4 78.2 32.5 47.0 48.0 37.9 9.9 29.9 40.4 2.8 164.8 160.7 882 2019 152.8 62.5 18.8 56.6 19.3 24.6 16.5 15.2 77.2 107.2 59.7 48.0 658 2018 252.2 51.0 39.6 97.0 0.5 26.7 1.5 3.5 64.0 84.1 156.7 184.4 961 2017 45.2 114.3 74.4 0.5 21.8 27.2 0.8 2.0 22.3 76.2 178.6 134.8 698 2016 146.3 106.2 159.8 24.1 9.4 29.5 16.5 6.1 35.6 183.4 175.0 81.5 973 2015 95.2 88.1 85.3 30.5 5.1 3.8 10.6 22.9 45.5 85.3 99.0 205.2 777 2014 86.8 163.1 118.9 36.8 36.3 10.9 6.6 15.5 32.5 128.0 94.5 107.9 838 2013 81.0 60.1 71.6 47.0 62.5 24.6 0.0 0.0 10.9 89.4 24.1 2012 111.0 70.1 46.7 0.5 17.5 44.5 16.8 1.5 1.2 136.9 134.1 192.0 773 2011 111.5 74.9 139.7 50.0 67.6 13.2 12.2 6.8 19.8 46.7 58.9 2010 144.8 65.8 86.6 56.9 53.3 18.8 0.5 23.1 78.3 57.6 81.0 170.7 837 2009 63.5 34.2 57.4 36.3 0.0 1.5 6.6 0.0 26.7 113.0 190.7 70.6 601 2008 105.9 37.3 74.7 39.3 18.8 41.9 11.9 40.1 13.7 61.7 97.5 70.1 613 2007 0.0 68.1 93.7 68.1 92.2 Average 11 42 82 109 107 122 77 73 38 27 24 8 743 Std Dev 13 24 53 56 64 59 33 43 25 23 13 6 185