Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            56        30        9.649226   9.799065   9.698449   0.047018   9.673629  
2008            56        30        8.940871   9.015645   8.980481   0.025563   8.972726  
2009            56        30        9.439516   9.514      9.472721   0.023069   9.460871  
2010            56        30        10.810516  10.849194  10.824574  0.012096   10.817855 
2011            56        30        9.971645   10.083742  10.018566  0.032597   10.002338 
2012            56        30        9.28342    9.366129   9.316671   0.026593   9.302355  
2013            56        30        9.78529    9.897161   9.836014   0.035663   9.821097  
2014            56        30        9.341709   9.43558    9.383694   0.029113   9.37021   
2015            56        30        12.647677  12.701129  12.668467  0.017695   12.659048 
2016            56        30        10.886258  10.956903  10.911111  0.021967   10.900161 
2017            56        30        9.915677   10.023226  9.959266   0.032239   9.944774  
2018            56        30        10.996097  11.075129  11.033582  0.021429   11.025452 
2019            56        30        11.167613  11.306839  11.229318  0.04319    11.210484 
2020            56        30        10.56529   10.581742  10.575091  0.004961   10.576033 
2021            56        30        9.91171    9.990968   9.939369   0.023951   9.926871  
2022            56        30        9.881484   9.958097   9.924401   0.024905   9.921339  
2023            56        30        10.288387  10.310162  10.297942  0.006815   10.298855