Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            66        42        20.022367  20.227234  20.065667  0.040748   20.054801 
2008            66        42        20.9       21.233467  21.074306  0.085817   21.083783 
2009            66        42        19.858866  20.283966  20.044582  0.09808    20.04615  
2010            66        42        21.180334  21.568867  21.35936   0.09184    21.365334 
2011            66        42        21.7728    22.121033  21.919567  0.083379   21.92045  
2012            66        42        21.159367  21.374866  21.213248  0.045319   21.199667 
2013            66        42        19.266167  19.5529    19.363889  0.063561   19.355984 
2014            66        42        20.580801  20.875099  20.713401  0.068889   20.718184 
2015            66        42        19.999466  20.156233  20.059846  0.035574   20.057716 
2016            66        42        20.080101  20.311333  20.138078  0.046826   20.128433 
2017            66        42        19.661966  19.9916    19.790192  0.065727   19.794849 
2018            66        42        20.7297    21.147699  20.887904  0.096684   20.880533 
2019            66        42        20.827368  21.066366  20.880682  0.048126   20.867784 
2020            66        42        19.812067  20.219099  19.929237  0.075848   19.924483 
2021            66        42        20.0972    20.446667  20.189917  0.072184   20.176284 
2022            66        42        20.247868  20.565834  20.367361  0.07418    20.3622   
2023            66        42        19.8095    20.0889    19.881873  0.055463   19.871367