Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            2054      1756      8.754032   11.909225  9.834425   0.517347   9.760565  
2008            2054      1756      10.537516  12.707291  11.435727  0.369342   11.424565 
2009            2054      1756      6.678194   9.118322   7.801185   0.486418   7.833161  
2010            2054      1756      7.958387   10.18      8.797203   0.409866   8.713774  
2011            2054      1756      8.813871   11.482967  9.678747   0.437675   9.602581  
2012            2054      1756      12.084226  14.111387  12.925754  0.336343   12.900113 
2013            2054      1756      6.657645   8.431129   7.515464   0.273986   7.522871  
2014            2054      1756      5.477097   8.555613   6.714709   0.465508   6.673048  
2015            2054      1756      2.587355   9.065129   5.012731   1.231124   4.741565  
2016            2054      1756      9.563581   11.961613  10.503819  0.363809   10.486935 
2017            2054      1756      8.316226   10.352064  9.256894   0.346244   9.313371  
2018            2054      1756      6.452806   8.973419   7.807518   0.473944   7.921919  
2019            2054      1756      7.988194   10.047483  8.804969   0.351504   8.773161  
2020            2054      1756      10.271     12.365419  11.016645  0.378947   10.949081 
2021            2054      1756      8.130161   9.832226   8.533156   0.282454   8.481839  
2022            2054      1756      9.083033   11.237904  9.497969   0.343175   9.435726  
2023            2054      1756      10.160097  11.872193  10.97667   0.353129   10.995452