Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            69        8         13.368548  13.460484  13.420234  0.02939    13.419    
2008            69        8         13.247678  13.378484  13.331863  0.047368   13.35008  
2009            69        8         13.341645  13.457161  13.41348   0.041512   13.427774 
2010            69        8         11.888839  11.946871  11.92502   0.020428   11.932145 
2011            69        8         13.101     13.121419  13.111371  0.006495   13.111016 
2012            69        8         12.06929   12.094065  12.080803  0.008266   12.078548 
2013            69        8         13.308419  13.391226  13.358052  0.027726   13.363613 
2014            69        8         12.897451  12.921968  12.913923  0.00822    12.916049 
2015            69        8         15.210581  15.246903  15.231883  0.011835   15.233097 
2016            69        8         11.917032  11.945     11.933706  0.00989    11.936677 
2017            69        8         13.232806  13.264226  13.250972  0.010114   13.251436 
2018            69        8         12.714581  12.788548  12.757581  0.024686   12.761081 
2019            69        8         13.722613  13.920387  13.842665  0.070283   13.864968 
2020            69        8         13.369774  13.400484  13.389177  0.009784   13.39     
2021            69        8         12.481968  12.566129  12.535109  0.029606   12.545774 
2022            69        8         14.932936  15.042613  14.999399  0.038959   15.012064 
2023            69        8         14.288903  14.335838  14.318782  0.015826   14.32329