Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            66        42        23.3267    23.700132  23.548859  0.113523   23.578134 
2008            66        42        21.7733    21.967333  21.872201  0.048256   21.879634 
2009            66        42        21.865633  21.93      21.882466  0.015588   21.877934 
2010            66        42        22.849001  22.992666  22.908937  0.030761   22.907367 
2011            66        42        21.725334  22.027267  21.871509  0.078074   21.88075  
2012            66        42        22.7876    22.956333  22.890365  0.051049   22.903784 
2013            66        42        21.382034  21.679834  21.562512  0.092251   21.5835   
2014            66        42        22.795166  22.858299  22.818278  0.012326   22.817183 
2015            66        42        23.448534  23.885567  23.738577  0.117641   23.776899 
2016            66        42        23.262568  23.420834  23.313577  0.032877   23.3113   
2017            66        42        22.5404    22.7134    22.638236  0.053469   22.644834 
2018            66        42        24.3381    24.448566  24.39292   0.037601   24.387633 
2019            66        42        23.044567  23.221134  23.123087  0.047682   23.122933 
2020            66        42        22.850468  23.003233  22.954684  0.041052   22.969216 
2021            66        42        23.022566  23.329933  23.208957  0.086954   23.219566 
2022            66        42        23.352934  23.507366  23.431172  0.039197   23.43575  
2023            66        42        23.1122    23.2309    23.176716  0.029826   23.183433