Year 1 2 3 4 5 6 7 8 9 10 11 12 Total 2023 12.7 0.8 16.8 14.5 7.6 16.5 37.1 118.9 2022 164.3 27.1 57.4 83.6 1.3 55.4 2021 163.0 147.8 80.8 32.2 18.0 7.9 0.0 6.6 126.2 123.7 341.4 194.6 1242 2020 47.5 48.2 35.3 43.7 31.2 8.6 21.1 77.2 137.6 178.3 236.5 2019 149.6 32.5 19.8 47.0 26.2 14.0 24.9 15.5 77.2 106.9 93.7 1.3 608 2018 189.2 107.2 30.5 97.5 11.4 16.7 0.5 1.0 48.5 68.0 191.7 230.1 992 2017 52.1 87.3 116.0 35.5 20.1 11.4 0.5 3.6 23.6 120.4 118.9 121.4 711 2016 78.6 139.8 87.4 10.8 9.2 19.3 2.8 6.6 36.3 128.8 144.8 149.8 814 2015 118.2 75.8 92.6 28.0 1.6 3.6 15.8 24.2 47.0 113.2 181.8 188.8 891 2014 101.6 133.4 130.6 59.6 30.2 6.4 7.2 14.4 36.4 94.8 122.2 106.8 844 2013 95.8 70.6 98.0 81.2 46.4 13.6 0.0 12.2 131.0 27.4 77.2 57.2 711 2012 151.9 96.8 0.0 38.8 17.6 37.8 18.4 2.0 0.8 160.6 137.0 162.0 824 2011 211.8 99.0 103.9 94.2 51.3 5.1 16.8 12.9 32.5 68.8 141.7 77.7 916 2010 125.7 33.2 72.1 49.0 56.1 13.5 0.5 20.3 70.4 69.8 77.5 161.3 749 2009 141.7 33.8 63.2 52.1 44.5 4.6 8.9 20.3 43.4 141.2 282.4 67.3 903 2008 84.3 72.6 83.6 27.2 10.4 17.0 6.3 24.9 0.5 31.7 132.3 94.5 585 2007 238.7 104.9 134.3 38.6 14.2 20.6 26.2 18.0 23.1 74.9 78.0 171.9 943 2006 14.2 37.6 31.8 29.7 27.2 3.3 4.8 24.6 38.1 354.8 129.5 Average 74 74 50 25 16 9 13 45 89 163 134 138 838 Std Dev 43 38 25 18 10 9 8 38 42 86 65 52 168