Year 1 2 3 4 5 6 7 8 9 10 11 12 Total 2018 23.9 90.2 27.4 0.2 2017 80.7 4.2 2.8 5.8 2.8 1.8 4.8 0.5 181.1 61.5 2016 160.8 98.5 163.5 23.9 15.8 3.8 2.5 2015 48.0 0.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 44.7 93 2014 64.2 119.4 101.8 40.1 1.5 2.8 7.6 1.3 17.5 0.0 0.0 0.0 356 2013 392.7 59.7 75.7 40.9 56.4 30.0 0.0 39.9 28.9 4.8 55.1 34.8 819 2012 73.6 97.5 94.2 63.0 36.3 57.2 10.2 2.8 6.6 121.9 41.9 116.1 721 2011 121.9 74.6 144.5 34.8 60.7 23.6 78.7 5.6 75.2 65.5 136.6 28.2 850 2010 141.7 15.2 68.6 56.1 75.4 59.7 0.0 25.6 74.4 57.9 92.4 148.1 815 2009 41.6 32.7 44.0 25.6 34.8 13.4 9.4 15.8 46.0 97.3 226.6 75.2 662 2008 118.6 37.6 78.2 36.8 24.1 28.9 16.5 26.4 15.5 75.9 66.0 38.3 563 2007 33.5 53.1 68.1 63.5 22.1 74.1 35.8 17.5 46.5 95.8 111.8 134.8 757 Average 111 62 79 32 30 27 15 14 32 52 91 68 626 Std Dev 104 38 45 23 26 26 24 14 28 47 74 49 252