Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2022     91.2    40.4    54.1    75.2    33.0    35.8    17.8     0.8     0.2    80.5    41.1                
    2021    121.4   113.3    42.9    20.6    22.6    11.7     0.0     5.1    95.0   101.6   282.2   132.3   949  
    2020    225.3   107.9    32.0    32.3    31.8    26.1     9.7    21.6    53.6   103.1   140.4   179.8   964  
    2019    106.1    30.0    25.6    45.4    34.6    11.9    20.8    20.1    64.5    76.9    71.8   120.1   628  
    2018    143.0    77.7    16.8    72.1    10.7    10.7                            56.6   127.5   138.7        
    2017     32.0    89.9    95.2    44.4    24.1    14.0     2.0     1.8    16.2   104.1   143.2   120.9   688  
    2016     61.2   122.4    67.3    12.2     9.6    29.7     8.1     9.7    35.0   127.7    86.4   141.0   710  
    2015     23.4    87.6    96.3    10.9     1.8     4.6    15.2    31.5    45.9   122.4   183.1   140.9   764  
    2014             88.4                                             0.0    44.7     8.6    89.1    49.8        
    2013     61.7    48.0   103.1    72.9    40.9    14.7     0.0     7.9   124.9    20.3    66.8                
    2012     81.3    62.0    63.5    17.5     6.6     4.6    13.4     2.3     1.5   126.2   102.1    82.3   563  
    2011    137.4    71.4   109.5    86.9    57.7     6.1    16.2     7.1    24.1    44.9   112.5    52.6   726  
    2010     90.7    22.3   101.6    48.8    48.3    15.5     1.0     7.1     4.1    47.7    77.5   149.3   614  
    2009    109.0    22.1    67.6    54.4    32.8     4.8     9.1    14.2    35.8   125.0   190.5    43.7   709  
    2008     61.7    51.6    56.4    26.4    13.7    13.7     6.8     5.1     7.6    31.7   123.4    72.4   471  
    2007                                                                                      5.6   151.6        
 Average    115     113      96      69      67      44      26      15       9      10      40      78     707  
 Std Dev     66      44      52      33      31      25      17      10       7       9      37      41     148