Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2023      3.5     0.2                                                                                        
    2022                                      0.0     0.0             3.6     1.0                                
    2021                              4.3                             0.8     2.3             0.0                
    2020    216.7                                     0.0     7.4    17.5     0.0                                
    2019    115.8    32.0    15.7    33.8    26.2    13.7    22.1    15.2    66.8    67.8    60.9    98.0   568  
    2018    143.0    64.3    20.5    68.3     9.1    17.0     0.0     1.3    38.9    56.4   111.5   142.0   672  
    2017     41.9    48.0    96.0    52.5    27.9    27.4     0.2     2.5    11.2     0.8     4.8   128.7   442  
    2016     70.1   122.7    28.7    12.7     9.6    20.0    14.0     3.8    30.2   121.2   100.8   101.6   635  
    2015     99.3    70.4    70.9    19.3    10.4     3.5    14.0    20.6    43.2    91.2   150.6   159.8   753  
    2014    118.3   135.1   119.9    47.2    28.2     4.6     6.6    10.4    42.2    86.6    93.5    90.2   783  
    2013     75.7    56.9    95.5    59.4    48.0    12.2     0.0    35.6   154.4    22.3    49.0    49.3   658  
    2012    115.0    87.1    91.4    38.1    19.8    37.1    17.3     1.5     0.5   164.1   119.9   141.7   833  
    2011    164.8    83.3    85.4    86.4    59.7    10.7    15.8    11.9    33.5    63.5   131.5    58.2   805  
    2010    105.4    27.2    60.9    36.9    50.5    17.0     0.8    20.6    72.6    55.1    88.1    40.9   576  
    2009     82.0    24.4    50.0    51.3    45.5     4.0     1.8     8.1    38.1   115.3   196.1    53.8   670  
    2008     66.3    44.2    53.1    44.4    11.2    13.7     6.1    31.8    13.7    36.8   116.3    79.5   517  
    2007    220.7    71.4    96.8    27.7     9.1    19.3    25.7    23.9    15.7    54.1    60.7   139.4   764  
    2006     64.0    48.5    26.4    30.7    27.7    21.6     3.8     2.8    23.9    35.0   298.7   108.7   692  
 Average    106      61      65      41      26      14       9      12      35      69     105      99     669  
 Std Dev     59      36      34      21      18      10       9      11      38      43      74      39     114