Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2023                     19.5    37.8    13.2    28.2    13.2     7.1     2.3                                
    2018    196.6    53.3    38.6    90.7     6.8    13.7                    18.0     0.2     0.2    21.6        
    2017     46.4   100.1   133.6    81.0    52.8    34.3     0.0     2.8    31.0    84.1   167.6   115.8   850  
    2016    110.4   126.2   116.8    15.7    10.9    23.6    14.2     5.3    18.3   172.5   140.7   123.7   878  
    2015     90.4    23.6     7.3    27.2     4.6     3.6    36.1    19.5    61.7   100.8   141.0   182.8   699  
    2014     57.4    47.2     2.5    58.9    27.7    10.1     7.4    12.2    37.1   106.9    85.6    81.3   534  
    2013     81.8    54.3    53.3    62.2    54.3    16.0     0.0    23.3   114.8    19.0    67.8    33.7   581  
    2012    101.9    81.8    85.8    42.4    21.6    39.6    17.5     1.8     1.3   145.5   123.9   138.9   802  
    2011    139.2    71.6    84.8    59.7    57.9     8.1    18.5     9.9    35.3    55.1   116.8    51.6   708  
    2010    112.8    41.6    75.4    27.7    54.3    21.8     1.5    21.3    94.0    53.3    89.4   163.8   757  
    2009     39.9    28.7    60.7    40.9    48.0     5.3    11.2    19.6    46.7   128.8   245.6    83.5   759  
    2008     76.2    37.3    59.2    49.5    14.7    20.6     5.3    33.0    15.7    42.7   121.2    31.2   507  
    2007    202.2    66.3   101.6    29.7    14.7    29.2    34.6    24.1    24.4    68.6    80.2   177.8   853  
    2006      3.5                                     1.5     1.8     1.5    26.7    36.8   278.6   142.7        
 Average     97      61      65      48      29      18      12      14      38      78     128     104     720  
 Std Dev     58      30      41      22      21      12      12      10      33      51      73      57     130