Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            300       271       7.782677   8.144936   7.984514   0.066136   7.992129  
2008            300       271       7.221549   8.174709   7.752494   0.259912   7.786194  
2009            300       271       8.34829    8.903548   8.637868   0.120246   8.644258  
2010            300       271       6.601516   7.477968   7.053112   0.223409   7.089     
2011            300       271       9.867323   10.273742  10.096311  0.097054   10.09071  
2012            300       271       8.781936   9.492484   9.20339    0.186659   9.236742  
2013            300       271       7.579548   8.501549   8.02093    0.235058   8.009774  
2014            300       271       8.168967   8.856548   8.551316   0.148513   8.57629   
2015            300       271       11.368774  11.741871  11.596113  0.076058   11.610161 
2016            300       271       8.409323   9.305387   8.750823   0.213364   8.714903  
2017            300       271       8.374162   9.018258   8.71551    0.15038    8.730516  
2018            300       271       7.574581   8.124871   7.88411    0.143121   7.886129  
2019            300       271       7.984129   8.844678   8.491293   0.233982   8.562161  
2020            300       271       8.996323   9.666806   9.367842   0.154704   9.374806  
2021            300       271       8.685645   9.823968   9.246301   0.300667   9.249387  
2022            300       271       8.03       8.70458    8.3496     0.13398    8.337677  
2023            300       271       7.9357     8.860634   8.407746   0.234619   8.395933