Year 1 2 3 4 5 6 7 8 9 10 11 12 Total 2022 186.7 11.7 2021 159.5 135.9 75.4 37.3 14.2 11.9 1.3 15.2 123.7 123.7 378.7 183.9 1261 2020 2.3 33.8 51.5 33.0 29.2 25.9 7.4 19.5 65.8 133.3 170.2 190.8 763 2019 0.8 19.3 71.6 9.4 7.9 22.3 33.5 108.7 122.4 97.8 173.5 2018 223.3 104.1 48.2 101.8 6.1 2017 63.7 132.8 35.0 43.7 30.0 22.3 2.0 3.5 27.4 142.2 256.0 147.1 906 2016 94.2 178.8 149.6 17.0 12.2 18.5 0.5 9.4 41.4 208.8 113.5 176.3 1020 2015 166.9 111.5 135.9 51.6 5.8 5.6 11.7 5.8 19.6 125.7 205.0 207.5 1052 2014 142.0 65.5 203.4 90.7 41.6 9.7 3.5 0.2 9.1 172.0 158.2 168.6 1065 2013 89.1 61.0 123.7 107.4 61.5 20.5 0.0 29.2 142.0 48.0 91.2 56.4 830 2012 155.0 32.0 130.0 37.8 24.6 32.8 17.8 1.0 8.4 175.8 177.0 210.5 1003 2011 264.4 105.7 156.2 111.0 57.6 6.1 8.9 12.9 42.9 91.4 194.3 116.8 1168 2010 54.1 58.4 94.0 63.0 70.1 13.2 1.8 22.1 88.6 92.7 102.1 201.2 861 2009 215.4 42.2 92.7 56.1 56.6 5.3 9.1 23.1 56.4 168.4 331.5 72.4 1129 2008 149.3 98.3 97.5 29.2 10.4 23.6 9.4 19.5 13.4 46.0 161.0 109.7 767 2007 162.8 69.6 15.2 28.9 34.0 16.5 33.8 150.1 101.6 258.8 2006 86.4 35.3 30.5 Average 104 60 30 17 9 15 56 129 181 162 140 78 985 Std Dev 51 30 22 9 10 10 44 47 88 56 73 51 161