Year 1 2 3 4 5 6 7 8 9 10 11 12 Total 2023 40.1 63.0 24.6 2022 121.4 59.4 59.2 70.3 33.0 33.0 17.3 0.2 1.5 98.0 85.6 100.6 680 2021 136.9 88.9 40.9 22.3 20.0 9.2 0.0 5.1 101.6 98.5 280.9 132.3 937 2020 243.3 100.8 26.4 28.4 39.6 28.9 6.8 18.8 66.8 115.0 136.4 174.8 986 2019 126.0 29.7 15.2 35.8 30.7 11.7 25.9 16.5 69.1 80.0 72.1 121.9 635 2018 158.0 73.9 18.3 70.6 9.9 19.8 0.0 1.8 45.4 62.0 135.6 169.4 765 2017 41.4 79.3 96.3 50.6 28.4 30.2 0.2 2.8 18.3 109.2 159.5 118.3 735 2016 80.8 144.8 77.2 13.7 10.7 21.6 14.2 4.6 40.1 140.7 115.6 135.9 800 2015 114.5 89.1 83.3 19.8 1.0 4.1 7.4 9.4 89.0 174.0 167.6 2014 23.3 160.8 127.0 53.6 31.0 5.3 8.1 13.2 58.4 104.1 115.6 103.9 804 2013 79.5 55.6 91.7 65.3 51.1 11.2 0.0 9.4 139.7 25.4 74.2 30.5 633 2012 106.2 70.1 59.7 46.5 18.5 38.4 19.5 2.3 0.8 159.7 70.1 137.4 729 2011 145.8 71.4 81.0 84.8 59.7 8.4 16.2 11.4 31.2 61.9 127.5 53.1 752 2010 99.8 29.0 65.5 32.5 48.5 16.7 0.8 24.1 72.9 55.9 78.2 155.2 679 2009 74.7 25.1 44.7 43.4 15.5 5.8 9.1 21.8 41.9 114.1 208.5 51.8 657 2008 61.2 49.3 58.7 40.9 11.4 12.4 5.8 29.5 10.9 24.4 109.5 71.9 486 2007 174.5 56.9 86.8 30.2 9.4 20.3 28.2 20.1 17.5 56.6 63.5 129.3 693 2006 1.8 23.1 3.3 2.8 23.9 24.6 277.6 100.6 Average 25 18 10 12 44 83 134 115 107 73 62 44 731 Std Dev 18 10 9 9 38 40 68 43 55 37 31 20 122