Year 1 2 3 4 5 6 7 8 9 10 11 12 Total 2024 4.6 0.0 4.8 21.1 2023 0.8 9.6 12.2 6.6 4.6 0.0 8.9 2.0 8.4 13.2 3.6 0.0 70 2022 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.5 34.3 0.0 0.0 35 2021 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.0 0.0 0.0 0 2020 590.6 5.3 18.0 0.0 0.0 0.0 0.0 1.5 0.2 0.0 0.0 0.0 616 2019 1430.8 8.6 18.5 34.0 19.5 10.9 11.9 2.0 27.4 2.2 0.0 0.8 1567 2018 124.9 98.0 25.6 99.0 14.7 13.2 0.0 0.5 38.4 41.9 92.0 6.4 555 2017 0.0 98.3 133.4 2016 110.5 57.7 100.1 12.2 9.9 33.3 9.9 2.5 0.0 0.0 2015 82.3 0.8 0.2 0.0 0.0 3.3 16.3 28.5 44.9 120.4 180.4 177.0 654 2014 49.5 71.4 0.8 65.3 25.4 6.6 7.4 12.7 34.5 116.6 119.9 36.5 547 2013 27.2 5.1 3.8 3.6 57.4 22.1 0.0 22.3 137.4 21.0 31.9 47.8 380 2012 61.7 77.7 136.7 33.2 13.7 40.1 14.7 1.5 0.0 67.3 7.1 134.4 588 2011 232.4 117.6 112.5 102.1 53.6 6.1 21.3 16.5 36.8 58.4 86.1 108.7 952 2010 65.5 37.3 50.5 14.2 3.3 0.2 0.0 21.1 47.5 90.7 86.1 81.6 498 2009 110.2 37.1 4.3 0.2 54.9 3.5 11.2 32.2 50.8 115.3 9.9 71.1 501 2008 102.6 66.5 96.3 37.1 8.1 20.8 6.1 39.6 15.7 49.0 144.8 97.3 684 2007 11.4 25.4 27.7 24.1 26.9 85.3 83.3 209.5 Average 17 12 8 13 29 48 59 69 187 37 37 27 546 Std Dev 20 13 9 13 34 44 60 69 361 39 47 34 398