Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2024    130.8    60.2    17.5    12.5                                                                        
    2023     35.1    49.3    15.0    10.4    11.7    18.8    10.7     7.6    10.4    53.0    81.8    95.5   399  
    2022      0.8     1.3    16.5    16.5     0.0     4.1     7.9     0.0     0.0     0.0    27.7    77.7   152  
    2021    116.9    87.9    34.0    10.4    13.2     9.9     0.0     5.8    88.6    17.7     0.0     1.8   386  
    2020    115.6    63.7    20.3    27.2    37.1    19.3     7.6     7.6    42.2    65.3    86.3   137.7   630  
    2019    107.4    12.2    18.0    33.5    25.6     9.7    17.3    14.5    59.4    59.4    55.4    89.4   502  
    2018    105.2    49.0    13.2    54.3     4.1    18.0     0.2     0.0    22.1    57.7   112.0   136.6   572  
    2017     27.2    64.7    80.0    37.1    23.9    17.5     2.5     1.8    19.8    88.6    98.3    68.6   530  
    2016     55.3   103.1    60.0    10.1     7.1    27.7     7.6     7.1    30.5   105.9    81.0    96.0   591  
    2015     37.6    30.0    69.3    19.1     1.5     3.8     9.9    26.9    39.9    85.3   127.7   129.8   581  
    2014     88.1   126.5    73.9    45.2    20.6     4.8     6.3    14.7    43.4    88.6    85.9    75.4   674  
    2013     57.6    43.7    84.1    58.9    39.4     9.9     0.2     0.0   144.0    18.8    30.0    37.1   524  
    2012     84.8    66.0    61.2    32.0    21.8    35.5    15.2     2.5     1.5   122.7    89.9    93.2   627  
    2011    115.3    54.9    59.7    67.0    53.1     6.9    15.0     7.9    21.8    52.8   109.7    42.7   607  
    2010     55.3    22.3    59.4    28.7    28.4    13.5     1.0     0.0    58.7    38.6    60.7   131.6   498  
    2009     72.6    22.1    42.7    50.3    37.3     5.3     9.6    16.8    36.8   103.1   173.0    39.4   609  
    2008     54.4    39.3    49.0    36.6    10.1    11.7     5.8    30.7     0.2    30.0   104.4    53.8   426  
    2007    172.2    68.6    89.4    23.6     8.9    21.6    25.4    14.0    12.4    45.4    52.1   113.3   647  
    2006                                      2.8    17.8     2.5     4.6    28.4    36.6   250.7    84.5        
 Average     19      14       8       9      37      59      90      84      80      54      48      32     526  
 Std Dev     15       9       7       9      35      34      57      38      43      32      26      18     129