Year 1 2 3 4 5 6 7 8 9 10 11 12 Total 2022 54.3 66.3 56.1 70.1 37.3 33.5 15.0 0.5 1.0 2021 134.4 87.6 37.9 22.3 16.2 9.6 0.0 5.1 27.7 1.2 1.0 87.9 431 2020 245.4 103.6 25.9 30.5 39.4 27.9 7.6 19.8 62.7 116.1 142.0 192.8 1014 2019 129.3 34.5 16.5 38.6 33.5 13.7 26.2 16.8 70.3 75.7 73.4 118.3 647 2018 170.2 68.6 14.5 73.9 8.1 20.8 0.0 1.5 44.2 66.5 136.4 176.0 781 2017 45.5 94.7 103.9 57.7 35.8 30.0 0.8 0.0 19.3 115.6 168.4 121.7 793 2016 83.6 145.5 85.9 13.2 11.4 21.8 13.7 4.6 38.9 161.0 125.5 143.0 848 2015 109.2 91.2 91.2 22.9 1.8 4.6 13.2 26.7 53.1 121.4 182.4 183.3 901 2014 80.5 137.4 132.3 47.0 32.3 4.6 8.1 12.5 53.1 104.1 108.5 100.8 821 2013 41.4 54.3 90.7 63.8 52.1 11.2 0.0 17.3 123.9 21.1 74.7 48.0 598 2012 99.0 76.4 81.8 40.1 15.2 27.9 17.8 2.5 1.0 37.8 0.5 0.2 400 2011 144.0 67.3 78.0 77.7 57.1 9.9 14.2 9.6 27.2 56.9 115.3 47.2 704 2010 96.0 29.2 65.0 33.0 48.2 16.2 0.8 20.8 75.2 54.1 79.5 153.9 672 2009 75.7 21.6 40.6 29.2 46.5 5.8 9.4 20.3 40.4 116.8 191.2 52.3 650 2008 60.9 39.9 49.8 45.7 10.4 13.2 5.8 29.2 10.4 25.4 109.2 70.4 470 2007 182.4 61.4 86.8 28.9 10.1 18.5 25.1 20.8 15.2 53.1 60.9 134.1 698 2006 177.3 46.2 29.7 30.0 23.1 19.6 4.1 2.3 21.6 34.0 267.2 101.1 756 2005 17.3 11.7 27.2 35.1 79.5 102.6 64.0 Average 17 10 13 40 73 114 106 113 72 64 43 28 699 Std Dev 9 8 10 30 44 67 55 57 35 34 20 17 168