Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2024      5.6     0.0     0.0                                                                                
    2023      5.5    14.4    27.1    25.1    19.0    26.9    14.0     8.1     7.1     2.2     0.5     0.0   150  
    2022     79.7    17.0     1.0     0.0     8.6    44.9    18.8     0.8     0.2    88.6    25.4    70.8   356  
    2021     69.6   114.3    41.4    26.2    23.4    18.3     0.0     6.8    89.7     0.0     0.0     5.8   395  
    2020     46.7     1.2    60.7    36.5    50.5    31.2    10.9    13.2    64.8   128.0     4.5     4.1   452  
    2019      0.2    73.9    21.8    46.2    45.2    15.5    23.9    21.8    87.4    63.0    10.6    15.7   425  
    2018    165.9    59.2    18.5    83.1     8.9    24.6     0.2     1.3    38.1    37.6    11.4     1.0   450  
    2017     36.3    90.7    78.5    54.6    30.5    19.1     1.5     2.0    15.0   102.1    93.5   100.8   624  
    2016     47.2   115.3    42.4     0.8     7.6    23.9     7.9     7.9    30.7     8.1     0.2   112.8   405  
    2015     57.9    14.7     0.2     0.0     1.3     5.1    18.6    38.3    48.0   111.5   186.9    12.9   495  
    2014                              0.0     7.6     5.1     6.9    16.5    40.4     8.3    40.4    33.7        
    2013     82.8    61.0    98.6    78.7    49.8    15.7     0.0    29.5   112.0    14.0    64.5     7.6   614  
    2012    100.1    94.0    45.0    39.6    25.4    37.1    17.3     2.3     1.5    47.0    22.4    26.7   458  
    2011    157.2    78.0    70.9    71.9    72.6     6.6    16.5     1.8    23.6     9.9    56.1    69.6   635  
    2010      0.8     0.0    95.3    44.2    56.1    17.8     1.3    26.7    94.2    57.9    44.5   161.8   600  
    2009      0.0                                                                                    20.6        
 Average     57      43      52      43      36      29      21      10      13      47      48      40     466  
 Std Dev     54      49      43      34      29      22      12       8      12      37      44      51     134