Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2024                      0.0     0.0     0.0                                                                
    2023                      0.0     0.0     0.0     0.0     3.0     0.0     1.0     0.8     1.0                
    2022                              0.0                                                                        
    2021      0.2     5.2     1.2     3.4             0.0     0.0     0.6                                        
    2020    141.8    96.6    28.0    31.0    41.0    39.2    15.0    20.6    68.8     3.4     0.0    17.6   503  
    2019    126.0    43.4    13.0    47.4    28.0    25.6    23.4    12.6    88.4    78.0    50.4   109.6   646  
    2018     82.2    83.0    34.4    97.0     4.4    26.2     2.4     1.0    59.4    84.4   136.0   171.8   782  
    2017     58.0   127.8   142.2    84.8    48.0    26.6     0.0                    81.0   127.4   102.4        
    2016    119.6   107.0   115.4    16.6    11.2    21.2     7.6     4.0    34.4   140.8   136.0   135.2   849  
    2015    106.0    92.6    87.6    28.6     3.2     5.0    10.8    16.0    86.6    91.8   124.4   166.4   819  
    2014     82.2   136.4   137.2    49.6    28.4    14.2     5.8    20.2    37.0   123.2    86.0   102.8   823  
    2013     74.4    52.6    83.6    63.6    57.6    15.4     0.0    24.4    98.4    18.4    67.0    29.4   585  
    2012    102.2    86.4   117.0    42.0    21.0    40.4    18.8     1.4     3.2   123.8   118.8   158.8   834  
    2011                                              1.2    19.6    12.2    45.2    48.6   127.2    57.8        
 Average     18       9      10      52      72      89     105      89      83      63      36      22     730  
 Std Dev     14       8       9      34      49      52      55      40      40      56      32      20     133