Year 1 2 3 4 5 6 7 8 9 10 11 12 Total 2024 39.6 2023 12.4 1.3 0.2 36.6 2022 5.8 17.0 3.0 10.7 4.3 0.0 2021 0.2 2020 270.8 28.4 0.0 2019 137.6 13.7 2.0 60.7 16.5 22.6 25.1 16.5 76.7 65.0 63.7 81.0 581 2018 236.2 63.0 35.3 83.3 10.2 50.5 6.8 1.0 8.4 71.3 131.3 109.7 807 2017 66.0 121.1 103.6 98.3 17.3 21.8 0.8 4.1 36.8 122.7 213.9 87.1 893 2016 151.6 71.9 79.8 10.2 18.8 38.3 27.2 17.5 62.5 105.2 227.1 82.3 892 2015 80.0 21.8 88.6 28.7 4.1 16.3 17.3 39.4 68.3 74.7 113.0 234.4 787 2014 81.0 132.3 119.9 44.4 38.9 14.7 36.6 27.2 38.3 192.8 108.7 153.9 989 2013 56.9 72.4 77.7 47.2 83.8 56.9 0.0 4.6 63.2 22.8 86.9 23.1 595 2012 155.2 37.6 41.1 76.7 45.7 18.0 15.5 7.1 4.1 6.9 12.7 89.9 510 2011 92.7 99.3 159.8 25.9 46.0 20.6 46.7 5.1 34.3 18.8 139.7 55.3 744 2010 206.7 91.2 90.7 80.0 67.0 20.1 2.0 23.4 58.7 63.5 126.7 191.5 1021 2009 38.1 29.9 60.0 24.1 51.0 16.2 23.6 22.1 42.7 130.8 263.4 76.7 779 2008 110.7 32.5 89.4 23.9 15.5 4.8 15.0 27.7 16.0 71.1 95.2 91.2 593 2007 140.9 48.7 92.4 61.0 30.5 55.6 21.3 26.7 56.1 82.1 18.5 153.2 787 2006 2.0 6.3 13.7 40.6 40.1 311.2 188.0 Average 24 17 17 43 67 112 110 111 62 80 49 32 767 Std Dev 18 13 11 22 53 96 61 77 38 40 28 24 160