Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2015      39.1    102.3     81.5      2.5      8.9      2.5     25.4     23.1     61.7     96.7    158.5                  
    2014     130.3     14.5      0.0      0.0      0.2     11.2      8.6     17.5     16.0     70.6     45.2    127.0    441  
    2013       1.3      0.0      0.0      0.0      2.8      0.0      0.0     29.2      0.0      0.0      0.5     18.5     52  
    2012     151.1     63.2    136.9     64.0     31.5     50.5     19.3      0.5      0.5    103.6    169.4      5.0    796  
    2011     153.6    121.4    175.0     68.1     39.4      0.0     16.8      8.1     70.1     72.9    186.4     87.4    999  
    2010                       128.5     73.2     67.3     20.8      1.8                       44.7    135.4    252.7         
    2009       0.2      0.0      0.0      0.0      0.0                                                                        
    2008      31.2     50.0     83.5     58.2     27.4     39.4      1.3               0.0      1.0      4.3     22.4         
 Average      72       50       76       33       22       18       10       16       25       56      100       86      572   
 Std Dev      70       49       69       35       24       20       10       12       33       42       81       94      416