Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2022      4.6                     0.2     0.2                                                                
    2021      0.0     0.0                     0.0     0.0     0.0     0.0     0.0             0.0     2.8        
    2020    651.5   147.8    17.5     3.8     3.5                                             0.0     0.0        
    2019    548.1   104.9    81.5   310.4    21.8    70.1   138.4    72.4   221.7   291.1   382.7   309.6  2553  
    2018    494.8   251.2   208.2   294.1    43.2   185.6    18.3     1.5   272.0   186.4   727.9   802.1  3485  
    2017    334.0   299.0   521.9   305.5   122.7   119.4    46.2    44.4   158.5   657.8   817.8   110.7  3538  
    2016    479.3   364.7   566.4   229.3    17.5   115.0    73.6   107.4   179.6   370.1   662.4   400.8  3566  
    2015    378.5   362.9   543.3   265.7    36.1    38.6    38.1   179.3   316.7   438.1   304.8   696.0  3598  
    2014    245.9   292.3   365.3   313.2    95.5    88.9    71.6    13.2   119.1   672.1   478.5   605.3  3361  
    2013    237.5   471.7   284.2   275.1   192.0    92.7     1.8   168.9   377.7   157.4   282.4   261.9  2803  
    2012                                             11.9    41.7    49.0    47.8   477.5   549.1   456.4        
 Average     80      48      71     188     406     421     365     337     255     324     222      53    3272  
 Std Dev     58      43      68     123     195     283     281     219     147     212     127      64     419