Year 1 2 3 4 5 6 7 8 9 10 11 12 Total 2019 0.0 0.0 0.0 25.4 29.2 28.2 29.2 2018 186.9 58.7 49.0 75.9 1.5 21.1 2.8 0.0 0.0 0.0 0.0 0.0 396 2017 1.0 10.7 0.8 0.2 0.0 23.9 0.0 3.0 20.6 61.0 155.4 122.6 399 2016 116.8 107.2 109.5 17.5 10.7 43.4 11.4 6.4 32.0 186.7 137.1 3.3 782 2015 2.8 0.0 0.2 1.8 0.0 2.8 7.9 18.5 39.3 88.1 137.7 2014 80.0 8.4 0.8 20.1 20.1 10.4 5.8 5.8 23.6 92.7 25.4 76.7 370 2013 84.3 48.7 71.1 32.2 3.0 0.0 38.3 96.8 36.5 80.8 15.5 2012 78.0 75.7 76.4 52.6 22.1 49.8 22.4 4.1 7.1 131.1 122.9 143.3 785 2011 120.6 53.8 83.5 49.0 60.2 8.6 22.3 12.9 30.0 44.9 104.4 48.2 639 2010 8.9 48.5 64.5 36.0 48.0 32.5 0.5 24.9 99.0 40.3 71.4 115.3 590 2009 63.0 26.1 46.5 38.6 50.8 24.9 9.9 11.9 42.7 118.6 197.1 0.8 631 2008 62.2 25.1 74.1 40.4 19.3 33.3 8.9 34.0 23.1 46.5 101.1 72.4 540 2007 7.6 42.9 96.0 31.2 26.4 24.6 29.0 18.0 27.7 56.6 69.8 112.8 543 Average 62 39 52 32 25 24 12 15 37 74 96 71 567 Std Dev 58 32 39 22 20 15 11 12 31 53 54 56 149