Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2023     49.3    71.6    48.5    32.5    14.0    20.6    12.9     6.8    11.9     1.0                        
    2022    113.8    60.9    65.8    84.3    37.3    30.7     3.3     0.0     0.0     0.0    24.4    52.1   473  
    2021    120.6    96.5    27.4    24.6    14.0    12.9     0.0     4.8     6.1     0.0     0.0   143.5   450  
    2020    208.0    92.7    32.7    26.9    38.6    35.0     9.4    24.6    57.4    98.0   119.4   153.9   897  
    2019    108.2    29.7    15.8    43.4    27.9    14.5    22.6    13.2    76.2    73.6    49.8    94.2   569  
    2018    164.8    34.8    27.7    77.5     6.1    24.9     0.5     0.8    46.2    58.1   106.2   153.1   701  
    2017     54.1   107.9   115.1    71.6    35.0    32.3     0.0     2.5    20.8    89.6   159.2   123.9   812  
    2016            137.4    24.4    14.7     9.7    28.9    15.5     4.6    35.8   164.8   138.4   127.3        
 Average     79      45      47      23      25       8       7      32      61      85     121     117     650  
 Std Dev     37      33      27      13       8       8       8      27      59      61      37      57     183