Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            74        54        22.003645  22.086742  22.050186  0.027758   22.052871 
2008            74        54        22.311581  22.338259  22.32109   0.00784    22.319049 
2009            74        54        22.330355  22.379032  22.355641  0.011859   22.355984 
2010            74        54        22.76055   22.84342   22.801538  0.023514   22.798936 
2011            74        54        23.256968  23.460096  23.343511  0.0618     23.329453 
2012            74        54        23.741451  23.870773  23.810281  0.037408   23.808499 
2013            74        54        21.433613  21.516581  21.481964  0.020838   21.485307 
2014            74        54        22.851032  22.933226  22.879181  0.020479   22.872758 
2015            74        54        22.783613  22.909193  22.843216  0.03562    22.837597 
2016            74        54        22.712065  22.798742  22.74978   0.022764   22.748951 
2017            74        54        24.007195  24.065645  24.046537  0.014774   24.051032 
2018            74        54        23.36771   23.432386  23.406065  0.02032    23.411613 
2019            74        54        24.378677  24.451452  24.413312  0.018876   24.413113 
2020            74        54        23.02342   23.118065  23.079485  0.028784   23.08908  
2021            74        54        22.756355  22.816065  22.790046  0.014926   22.791629 
2022            74        54        23.749065  23.80158   23.782685  0.011634   23.784742 
2023            74        54        22.241871  22.476582  22.394095  0.075997   22.413049