Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            96        90        21.836599  21.941799  21.902087  0.02394    21.905867 
2008            96        90        22.750866  22.920467  22.846238  0.035782   22.858049 
2009            96        90        22.669867  22.772434  22.705241  0.019205   22.7026   
2010            96        90        21.1551    21.452534  21.371042  0.067105   21.38585  
2011            96        90        25.059277  25.371103  25.210582  0.073881   25.213776 
2012            96        90        24.197767  24.364067  24.222859  0.040478   24.206317 
2013            96        90        22.539499  22.781967  22.664337  0.062069   22.666134 
2014            96        90        22.563601  22.876101  22.700445  0.077548   22.707683 
2015            96        90        25.293301  25.456633  25.379755  0.039647   25.377167 
2016            96        90        23.569366  23.707899  23.63322   0.033374   23.629317 
2017            96        90        23.382233  23.4431    23.403017  0.014652   23.401067 
2018            96        90        23.4144    23.670067  23.518108  0.06521    23.508133 
2019            96        90        23.810066  24.012568  23.904595  0.041576   23.907233 
2020            96        90        25.592234  25.986433  25.759892  0.095016   25.754566 
2021            96        90        23.868166  24.325567  24.062366  0.105555   24.059517 
2022            96        90        23.8141    24.040133  23.878289  0.062039   23.853184 
2023            96        90        25.377897  25.696138  25.47112   0.069745   25.452862