Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            207       197       21.9461    22.142834  22.067517  0.053408   22.078333 
2008            207       197       22.245966  22.535168  22.376876  0.07151    22.359066 
2009            207       197       21.685633  21.850634  21.792416  0.0349     21.795534 
2010            207       197       21.450966  21.735767  21.634172  0.075405   21.649733 
2011            207       197       23.172621  23.269966  23.244557  0.01628    23.244448 
2012            207       197       24.109367  24.236567  24.162706  0.031837   24.159201 
2013            207       197       20.327333  20.4736    20.430292  0.029406   20.4361   
2014            207       197       19.796299  20.085466  19.979149  0.070932   19.992067 
2015            207       197       21.703066  21.893566  21.809263  0.049787   21.815134 
2016            207       197       21.935966  22.090033  21.996345  0.036764   21.991966 
2017            207       197       23.488899  23.577267  23.549632  0.020981   23.554768 
2018            207       197       22.158199  22.372833  22.274422  0.050455   22.272633 
2019            207       197       21.382833  21.623934  21.517331  0.063685   21.522699 
2020            207       197       24         24.716833  24.339554  0.170785   24.3358   
2021            207       197       22.745434  23.645901  23.256494  0.230559   23.262133 
2022            207       197       22.021799  22.117733  22.066424  0.021187   22.064934 
2023            207       197       23.491966  24.067139  23.828963  0.140279   23.845482