Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2024     78.0    38.4    24.6    21.0                                                                        
    2023     14.6    41.4    14.8    19.4    13.0    18.6     8.0     5.2     6.0    26.6    55.2    58.6   281  
    2022     56.4    37.8    36.2    37.6    14.2    25.4    11.0     0.6     0.4    52.6    29.4    59.8   361  
    2021     55.0    67.0     0.0                                     0.2    55.6    53.8   157.4    79.8        
    2020    128.0    72.8    11.2    20.2    28.4    17.0     8.2    14.4    42.4    41.0    92.8   101.6   578  
    2019     57.0    21.4     9.6    19.6    22.0     7.4    11.4    12.8    40.8    41.6    28.6    58.0   330  
    2018                                              3.2     0.2     1.0    14.6    28.8    62.4    74.8        
    2017     21.8    48.0     5.6    30.0    19.0     8.2     1.4     1.0    11.2    48.8    80.4     7.0   282  
    2016     37.0    66.2    46.4     7.8     5.6    22.8     3.8     3.2    19.0    76.6    49.6    71.4   409  
    2015                                              0.3     0.0    18.0    28.6    63.4   110.6    86.2        
 Average     13       6       6      24      48      74      66      56      49      19      22      17     373  
 Std Dev      9       5       7      19      16      42      26      36      18      16       9       8     111