Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2023     24.9     1.8                                                                                        
    2022     87.3    46.0    47.0    56.1    27.7    32.0    15.7     1.0     1.2    72.1    49.0    54.3   489  
    2021     89.9    77.0    32.0    18.5    13.2     5.3     0.0     6.3    71.6    75.9   218.4    98.8   707  
    2020    163.1    80.0    31.2    25.1    35.3    16.0     8.4    16.5    44.9    70.6   104.6   124.2   720  
    2019     20.1    16.8    19.8    28.7    26.9    10.2    15.2    12.4    10.4     3.8    48.8    79.2   292  
    2018     98.1    56.9    12.2    48.5     3.8    15.2     0.0     1.8    21.8    38.8   101.8    90.2   489  
    2017     23.6    50.8    63.5    36.3    23.4    10.2     2.8     1.8    16.0    78.7    83.3    75.2   465  
    2016     54.9    93.0    59.4    11.9     8.1    35.3     8.4     6.3    26.7    90.7    61.5    89.4   546  
    2015      0.8    94.5   102.9    10.4     1.3     5.1    17.3    39.6    45.7    32.3   165.1   149.1   664  
 Average     63      57      46      29      17      16       8      11      30      58     104      95     546  
 Std Dev     52      33      29      17      13      12       7      13      23      30      60      30     145