Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2023     43.7    85.1    66.6    70.4    11.2                                                                
    2022   8729.5    38.3   110.2   159.0    75.7    46.2    27.2     1.0    18.0    42.4    77.7   118.6  9444  
    2021     15.5    69.8     2.3    10.2    16.0    39.1     0.0     4.1   114.8    22.6     2.2    97.0   394  
    2020    318.3    92.7    38.1    54.4    57.2    45.7    14.2    30.0    33.0     0.0     0.0     5.6   689  
    2019                                             28.2    21.6    17.8    95.8   109.2    65.5   130.0        
    2018    279.9    59.4    44.2   113.3     3.0    28.2     1.8     3.8    74.9    95.0   179.8   149.6  1033  
    2017     77.0   140.5   171.7   104.1    54.6    36.3     1.3     3.0    25.9   100.1   211.4   145.0  1071  
    2016    196.6   144.5   200.4    27.2    10.9    37.1    18.0     7.4    45.4   159.0     0.0   132.1   979  
    2015    128.0   129.0   110.7    37.6     5.1     5.1    14.5    32.3    60.7   114.5   138.9   280.4  1057  
    2014    116.1   207.0   155.5    50.0    46.7    13.7     8.9    16.2    41.9   190.5   123.9   159.5  1130  
    2013                              0.5    79.5     0.2                    37.9     5.6   115.5    34.8        
    2012    109.2             0.5    47.8    20.1                                                                
    2011    144.5    99.1   185.7    68.1    86.1    19.5    16.0    10.9    54.1    18.8   159.7    77.2   940  
    2010    200.4    96.3   123.2    83.8    77.7    29.5     2.0    34.0   112.2    44.4   159.0   216.4  1179  
    2009     81.0    48.5    68.1    42.4     0.0     7.9    11.7     6.6    60.2   125.2   315.7    95.5   863  
    2008    138.4    47.2   112.2    47.2    19.5    42.9    11.4    40.4    18.0    69.3   100.8   113.3   761  
    2007                                                              0.2    77.5   120.4   121.4   209.3        
 Average    756      97      99      61      38      27      11      15      58      81     118     131    1628  
 Std Dev   2297      48      65      41      32      15       8      14      32      58      85      70    2471