Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2018    336.8    79.5    52.3   117.6     6.1    46.7     6.9                                                
    2017     71.4   137.4   151.1   129.3    45.5    42.7     1.0     2.3    54.6   104.9   281.7   106.9  1129  
    2016    198.4   143.0   260.1    17.8    29.2    54.9    43.7    34.3    44.0   303.5   237.5   103.9  1470  
    2015     96.7   149.6    10.9     4.8     0.2     1.5    13.5    25.6    32.5    88.6   128.2   314.4   867  
    2014    104.6   169.6   154.2    10.4    48.8    21.3     7.9     0.0     8.9     0.2   122.9   181.3   830  
    2013    112.5    80.8    32.2    42.4    77.7    51.6     0.0    33.3   123.4    18.5   109.7    25.6   708  
    2012    192.3   122.4   168.9    82.0    51.8    62.7    35.8     6.1     4.6    90.2   171.2   210.8  1199  
    2011    114.3   113.5   238.8    58.1    74.4    20.1    31.5     3.0    65.3    80.0   176.5    87.6  1063  
    2010    221.2   134.6   160.0   138.9    92.2    26.4     2.0     8.1    73.9    93.4   232.9   275.3  1459  
    2009             28.5    93.2    20.8     0.5    16.3    17.3    16.0    53.1   144.2   340.1    79.0        
 Average    116     132      62      43      34      16      14      51     103     200     154     161    1090  
 Std Dev     42      84      52      33      20      16      14      36      87      79      97      84     282