Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2019    206.2    55.1     6.8    84.6    14.0    20.1    48.8     4.6                                        
    2018    360.4   100.8    58.4   129.0     4.8    48.5     5.3     1.5   149.3    97.2   161.3   303.7  1420  
    2017     89.6   162.8   167.9    13.2    39.9    43.4     1.8     3.0     6.6   111.5   286.0   115.3  1041  
    2016    228.4   163.8   329.9    23.6    11.7    47.8    38.6    10.9            77.7   286.5   140.4        
    2015    100.6   163.3    81.3    42.4     4.3    24.4    13.7    31.8    43.9    88.3   125.2   372.1  1091  
    2014    132.6   196.9   153.4    65.3    42.4    16.5    44.4    12.7    54.9   210.0   116.0   234.7  1280  
    2013      3.3                    49.8    80.5    56.4     0.0     1.0    81.3    25.6   118.8    34.8        
    2012     43.7    79.7    35.0    29.7    55.9    78.2    30.2     8.9     3.0   170.5   191.2   265.9   992  
    2011    139.4   117.3   274.6    11.9    72.9    20.5    63.7     2.8    83.0    76.5   208.5    16.5  1088  
    2010    270.2   149.3    47.7   128.0    83.3    50.8     2.3    28.4    45.7    97.0   205.5   336.8  1445  
    2009     62.5    55.1   102.9    20.3    72.2    16.5    14.5    23.1    52.1   164.3   433.3    88.6  1105  
    2008                                                                                            119.4        
 Average    184     149     124     126      54      44      38      24      12      58     112     213    1182  
 Std Dev    124     107      50     106      43      31      20      22      11      44      54      99     175