Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2021      0.0     0.0     0.0     0.0     0.0     0.0     0.0     0.0     0.0     0.0     0.0                
    2020    348.0 10329.6     0.0     0.0     0.0     0.0     0.0     0.0     0.0     0.0     0.0     0.0 10678  
    2019      0.0     0.0    20.3    50.8    30.5    15.0    26.9    16.5    91.2   115.1   100.0   175.3   642  
    2018     23.3    34.8     2.8     0.2     0.0    15.2     0.5     1.0    46.0    83.0   188.7   172.0   568  
    2017     60.2   119.4   139.2    62.7    23.1    21.8     0.5     4.1    27.9   147.3   123.7   139.7   870  
    2016    127.2   189.7   121.4    15.0    12.2    23.9    18.3     6.3    46.5   197.8   169.9   179.3  1108  
    2015    165.1   115.5   113.0    30.5     1.0     4.3    19.0     0.8                   227.1   245.9        
    2014    146.0   185.4   161.5    75.2    35.8     0.0            17.8    47.0   146.0   181.6   158.8        
    2013     40.9    82.8   118.8   100.3    53.9    16.0     0.0    27.7   185.9    31.2    67.5    68.6   794  
    2012    173.5   108.7   117.9    49.3    20.8    39.6    19.5             0.0   195.6   165.3   145.3        
    2011    247.1    83.0   122.7   112.5    57.9     5.6    19.3    15.2    41.7    86.3   191.3    96.5  1079  
    2010    104.7    43.9    48.5    14.7    25.7    16.8     0.5            81.3    90.7   108.5    56.6        
    2009     15.0    44.2    82.5    74.2    55.4     5.3    11.2    32.0    53.3   181.3   326.9    35.0   916  
    2008     93.5    43.9    97.0    38.6    11.4    17.5     6.6    26.4     9.6    33.5     0.8    12.7   392  
    2007     59.9   130.0   162.6    39.1    13.0    21.3    27.4    22.3    22.1    81.8    82.8   206.2   869  
    2006                     35.8    33.5    39.6    36.3     3.3     3.6    31.0    46.7   307.3    39.9        
 Average     84      44      24      15      10      12      46      96     140     115     107     767    1791  
 Std Dev     58      35      20      12      10      12      48      67     100      76      98    2646    3130