Year 1 2 3 4 5 6 7 8 9 10 11 12 Total 2022 5.6 2.0 20.6 12.4 3.3 0.8 14.7 0.2 0.0 0.5 1.3 1.0 62 2021 57.1 73.9 32.5 15.5 16.7 9.1 0.0 3.3 69.6 79.2 34.2 19.0 410 2020 93.0 89.4 28.2 28.2 9.1 0.0 7.9 19.5 39.6 13.4 43.1 41.4 413 2019 25.9 21.8 16.0 10.4 27.4 12.4 18.0 15.2 10.7 8.9 2.0 1.0 170 2018 8.1 60.9 12.7 4.0 11.9 20.8 0.0 1.5 25.1 4.3 107.7 2017 30.5 76.9 80.8 15.7 1.8 2.5 0.0 0.0 0.0 30.5 100.5 104.4 444 2016 53.3 108.4 68.3 11.4 4.3 20.3 13.4 6.6 30.7 17.5 88.4 130.5 553 2015 6.6 93.5 204.0 129.5 2014 85.6 109.0 106.4 41.1 18.5 1.8 2013 55.4 41.7 53.9 60.2 32.5 10.4 0.0 21.6 115.3 18.0 56.9 37.6 503 2012 81.8 50.3 52.3 32.7 16.0 29.2 11.9 2.8 1.0 94.0 96.0 98.0 566 2011 113.2 60.7 65.5 63.7 48.0 5.6 11.9 6.6 21.1 34.3 103.9 45.7 580 2010 81.0 21.3 58.7 31.0 42.7 13.0 0.5 16.0 58.7 41.4 51.3 127.5 543 2009 82.3 19.0 37.8 29.0 26.7 3.6 7.1 12.2 27.4 91.9 162.1 39.9 539 2008 40.4 34.5 39.4 20.3 9.1 9.9 5.1 23.6 5.8 22.9 97.5 45.2 354 2007 139.4 50.8 72.9 19.3 5.8 13.4 19.6 11.2 9.9 37.6 46.7 103.4 530 2006 12.7 35.5 24.6 25.6 19.5 15.0 2.3 2.5 19.0 29.2 240.0 87.4 513 Average 60 54 48 26 18 10 7 10 28 40 83 70 441 Std Dev 39 32 26 17 14 8 7 8 32 32 70 46 154