Year 1 2 3 4 5 6 7 8 9 10 11 12 Total 2022 103.6 5.8 2021 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 96.5 83.6 68.1 164.3 413 2020 225.8 106.2 27.7 30.0 37.6 26.9 5.8 15.2 56.4 103.4 19.8 0.0 655 2019 124.2 25.4 18.3 39.6 34.0 15.7 26.7 17.5 73.2 76.4 71.6 113.0 636 2018 156.5 73.1 18.8 79.0 7.4 22.1 0.0 1.8 43.7 66.3 130.1 152.1 751 2017 39.3 68.1 100.8 54.8 27.7 14.0 1.5 2.3 21.8 112.5 123.4 130.8 697 2016 76.2 142.7 74.7 13.7 9.9 25.7 11.7 6.3 39.1 39.9 104.4 136.9 681 2015 70.1 91.7 95.0 18.5 1.3 4.8 16.2 29.5 52.6 110.4 182.1 162.5 835 2014 96.2 122.9 129.3 56.1 26.1 4.3 7.1 14.2 52.8 18.5 2.0 146.0 676 2013 78.0 56.1 90.7 58.2 47.5 11.9 0.0 26.9 155.9 21.8 74.6 45.7 667 2012 101.6 67.8 83.5 41.1 19.3 38.1 19.8 2.8 1.3 154.2 111.2 134.4 775 2011 140.2 73.1 79.0 85.8 62.5 7.9 16.7 10.2 29.2 64.5 130.8 54.1 754 2010 106.1 30.5 67.8 41.1 52.6 15.8 0.8 22.3 70.6 53.6 81.5 156.2 699 2009 88.1 21.3 43.9 46.7 37.8 5.3 8.1 16.3 37.1 113.0 207.5 52.8 678 2008 54.3 46.0 50.0 37.9 10.2 12.9 5.6 25.9 7.9 29.2 103.6 69.3 453 2007 126.2 70.6 89.9 29.5 8.6 22.1 24.6 15.8 14.4 50.8 58.4 121.9 633 2006 65.8 60.2 28.2 38.9 25.6 18.3 3.8 3.8 22.1 36.5 271.8 101.3 676 Average 97 62 62 42 26 15 9 13 48 71 109 109 667 Std Dev 51 39 37 22 19 10 9 10 38 39 68 50 106