Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2019     47.5    92.0    16.2    50.3    16.8    20.3     2.5     8.1    24.4    46.9     7.1                
    2018    232.4    46.0    33.3    89.4     1.3    22.6     1.0     3.0    49.8    13.9     2.8   112.8   608  
    2017     65.3   127.3   131.8    79.5    41.1    28.7     0.5     1.8    16.8    78.2   128.8   101.6   801  
    2016    245.6   172.7   254.2    29.7     6.3    36.8    21.6     5.1     0.0     0.0     0.0   118.4   890  
    2015    156.2   150.3   122.4    35.3     5.3     5.8    15.2    36.3    66.8   139.2   164.6   347.2  1245  
    2014    128.7   259.1   176.3    55.9    43.2    16.0    13.0    11.2    48.5   216.1   151.1   194.5  1313  
    2013     55.9     2.8     0.0     0.0    26.7    28.7     0.0    36.6    37.8     9.9   135.6    35.6   369  
    2012    165.8   100.0    12.5    76.2    36.8    72.6    26.2     2.0     1.8   134.4     7.1     1.2   637  
    2011    151.8    95.6   187.0    64.6    80.2    16.0    15.6    10.0    49.2            12.2    86.4        
    2010    214.1    99.1   126.7    84.8    76.7    16.3     0.0     0.0            40.0   164.4   212.6        
    2009     87.1    52.3    76.9    46.0    59.2     8.6    12.9     7.4    42.7                   108.9        
    2008    146.3    49.8   127.3    45.2    21.3    48.0    12.5    26.2    19.5    42.4   104.7   116.8   760  
    2007                                                              2.0    71.6    94.5   131.3   254.3        
 Average     12      36      74      84     141     141     104     105      55      35      27      10     828  
 Std Dev     13      23      67      71      96      68      68      79      26      27      19       9     319