Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            383       355       11.809903  12.262096  12.058429  0.107374   12.07142  
2008            383       355       11.597677  11.963871  11.82847   0.08895    11.839452 
2009            383       355       11.131904  11.386678  11.277693  0.065565   11.290968 
2010            383       355       11.979903  12.240516  12.144914  0.065976   12.155774 
2011            383       355       12.326033  12.660742  12.531799  0.081678   12.547548 
2012            383       355       13.287387  13.551548  13.450803  0.061194   13.457517 
2013            383       355       12.561     12.834774  12.738365  0.062248   12.753967 
2014            383       355       12.543775  13.042032  12.855119  0.118361   12.873968 
2015            383       355       11.729387  12.209645  12.085596  0.115113   12.124774 
2016            383       355       12.898291  13.140129  13.053665  0.048272   13.063935 
2017            383       355       12.816968  13.169839  13.013476  0.079805   13.026096 
2018            383       355       12.214065  12.533065  12.446203  0.077309   12.473064 
2019            383       355       12.027     12.360678  12.227102  0.075287   12.238774 
2020            383       355       12.45129   12.768774  12.6627    0.074391   12.676871 
2021            383       355       13.547161  13.983419  13.818217  0.104916   13.833226 
2022            383       355       13.237     13.523032  13.405429  0.070533   13.412258 
2023            383       355       13.258742  13.806645  13.654053  0.134697   13.688517