Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2024      0.0     0.0     8.1     1.8                                                                        
    2023      0.2     4.8     3.8     4.8     0.5     0.0     0.5     1.5     1.5     1.3     1.8     0.0    21  
    2022      0.8     3.5     1.8    10.2     3.0                     0.0     0.0     0.2     2.3     3.5        
    2021      1.3     2.5    12.9     2.8     2.3     0.8     0.0     0.2     3.5     2.5     0.2     3.5    33  
    2020      0.2    76.2    22.6    21.3     5.1    10.4     0.0     4.8     5.1     7.1     0.2     0.8   154  
    2019      1.8    20.6    17.3    36.8    48.3    14.0    26.7     8.6    60.2     0.2                        
    2018    106.7    68.3    15.7    35.6    10.9    13.5     0.0     0.0    18.0    15.2    41.2    29.4   355  
    2017     36.3    86.6    99.3    50.3    28.4    21.6     0.8     2.5    14.5     3.5    17.5     4.8   366  
    2016     71.6   132.8    77.7    14.2     9.1    20.8    12.4     4.3    36.6   145.8   111.7   138.7   776  
    2015    116.3    85.9    85.3    16.3     1.0     1.0    11.2    26.9    44.7   104.1   190.7   168.1   852  
    2014     96.3   136.9   120.6    48.8    22.6     4.3     6.6    10.2    41.4    88.6   108.4    92.2   777  
    2013     69.1    48.7    76.7    58.2    34.3     9.4     0.0    24.1   138.7    27.9    66.0    45.2   598  
    2012    103.4    65.8    74.4    43.9     6.9     3.5     4.8     2.3     1.0   143.2   103.1   128.3   681  
    2011    141.7    76.5    73.6    96.3    49.3     6.8    12.2    10.9    25.9    57.4   121.1    60.4   732  
    2010     92.2    27.2    56.6    36.8    46.5    13.5     0.8    18.5    63.5    50.0   102.3   164.3   672  
    2009    103.6    27.1    52.1    56.4    41.7     4.8     7.6    34.0    38.9   114.8   221.0    64.0   766  
    2008     49.8    25.9    56.1    25.6    11.9    12.2     5.1    28.4    13.0    29.9   121.4    86.1   465  
    2007    204.7    75.7    67.8    27.9     8.9    19.8    25.9    17.5    14.7    55.6    65.5   134.6   719  
    2006    178.8    55.6    39.1    32.0    18.8    21.1     3.3     3.3    22.8    39.6   167.4   109.2   691  
    2005                                             19.8    10.9    29.2    36.3    80.7   106.4    13.7        
 Average     11       7      12      31      51      86      69      72      54      51      33      19     541  
 Std Dev      8       8      12      33      49      67      60      63      41      35      24      18     275