Year 1 2 3 4 5 6 7 8 9 10 11 12 Total 2023 4.8 51.3 12.7 0.0 0.0 2019 113.0 45.5 12.2 44.7 22.6 24.9 24.6 9.4 2018 180.8 34.0 30.5 82.3 1.5 22.1 1.5 3.8 53.6 74.2 121.1 129.0 734 2017 48.3 70.3 117.1 69.1 39.9 24.6 0.2 3.0 18.0 75.2 152.6 116.6 735 2016 120.4 51.5 74.2 3.6 8.6 25.1 11.2 3.8 28.9 190.0 152.6 106.7 777 2015 89.9 79.0 72.4 21.6 3.0 4.1 71.1 82.5 55.6 130.3 2014 74.1 112.0 97.3 36.6 25.9 17.0 6.3 9.9 34.5 110.5 69.6 91.4 685 2013 72.6 48.3 55.4 43.7 53.9 13.0 0.0 26.4 86.9 15.4 38.9 27.4 482 2012 0.0 62.2 78.2 38.3 18.3 36.6 16.3 1.0 3.0 112.5 116.8 154.4 638 2011 119.9 66.6 92.4 41.9 57.7 7.4 16.0 9.6 36.3 35.5 95.0 1.2 579 2010 118.6 40.6 97.3 50.8 41.6 23.6 1.3 23.4 93.7 23.1 80.5 131.8 726 2009 34.3 22.8 33.8 28.9 22.6 0.5 8.9 10.4 40.9 107.9 212.6 64.0 588 2008 65.0 32.2 68.6 39.6 11.7 24.1 4.3 28.9 16.0 39.4 88.6 26.2 445 2007 141.0 46.5 98.6 31.7 16.8 27.7 26.4 21.1 28.7 63.0 79.7 161.5 743 2006 0.0 5.3 1.3 21.3 33.0 268.2 131.0 Average 17 9 12 41 74 118 98 91 55 67 42 24 648 Std Dev 12 9 10 28 48 65 52 48 24 35 19 18 112