Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2024    103.6    61.5    47.5    13.2                                                                        
    2023     31.2    55.9    34.0    25.4    12.4    19.6    12.4     7.6    12.9    59.2    82.0    67.0   420  
    2022      1.8    50.5    50.3    55.9     0.0                                            45.2    73.9        
    2021    138.1    87.9    38.1    19.3    19.8     5.6     0.0     4.6    33.5     1.0     0.0     2.3   350  
    2020    190.2    85.8    24.6    25.9    36.8    22.3     7.1    17.8    47.2    24.9    28.7    27.9   539  
    2019              4.8    16.8    36.5    32.0    13.7    24.6    16.3    66.5    62.2    46.5    82.8        
    2018    111.5    54.6    16.0    60.7     8.6    12.7     0.0     1.8    37.6    53.3    87.3    73.1   517  
    2017     24.6    76.7    95.0    53.1    27.9    22.6     0.8     2.3    18.3    80.7   110.7    67.3   580  
    2016     51.8   104.1    62.7    10.9     7.6    16.5    13.7     4.8    31.5    88.4    57.9    97.3   547  
    2015     68.8    68.3   150.1    23.4     1.0     4.3    15.7    25.9    47.8    80.5   133.6   105.1   725  
    2014     64.5   101.6   128.8    42.9    22.9     3.8     5.8    10.4    40.1    71.6    71.3    62.0   626  
    2013     46.2     7.1    18.3     7.9     3.3     0.2     0.0    26.7   132.6    18.5    59.7    29.5   350  
    2012    115.8    81.2    39.3    40.6    22.3    37.8     3.8     0.0     1.0    45.4     2.0     6.8   396  
    2011    163.3    73.9   121.4   115.8    64.8     9.1    17.3    11.4    31.5    67.0   137.1    61.7   874  
    2010    127.5    33.2   123.2    54.9    53.4    18.0     1.0    21.1    80.2    12.4    52.5   181.3   759  
    2009    101.8    27.4    68.6    62.7    43.4     5.6     8.4    21.3    40.1   143.5   176.0    68.1   767  
    2008                                                             19.6    14.0    24.9   130.5    95.0        
 Average     13      42      56      76      69      89      61      65      41      24      14       8     573  
 Std Dev      9      32      37      50      43      54      30      45      27      20      10       8     170