Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            86        13        17.130066  17.318666  17.226295  0.06039    17.215799 
2008            86        13        16.602934  16.802134  16.706613  0.062171   16.704334 
2009            86        13        16.784233  16.994734  16.889098  0.062739   16.8972   
2010            86        13        16.769699  16.862499  16.815405  0.026712   16.823933 
2011            86        13        16.802759  16.99238   16.8964    0.054597   16.913965 
2012            86        13        18.031267  18.219999  18.125433  0.057227   18.127068 
2013            86        13        14.136333  14.368867  14.253492  0.073568   14.2447   
2014            86        13        14.826333  15.092     14.960821  0.08254    14.956866 
2015            86        13        16.172667  16.543333  16.359592  0.108946   16.390066 
2016            86        13        16.213533  16.448233  16.327792  0.069399   16.337833 
2017            86        13        18.308767  18.614     18.465792  0.096602   18.454866 
2018            86        13        14.153067  14.509666  14.333418  0.107886   14.338867 
2019            86        13        16.4895    16.740833  16.612997  0.074734   16.621099 
2020            86        13        17.0592    17.2083    17.133721  0.050776   17.1147   
2021            86        13        17.189301  17.280933  17.229203  0.027304   17.227699 
2022            86        13        17.5382    17.746334  17.644916  0.064221   17.6425   
2023            86        13        17.569448  17.811035  17.687029  0.073796   17.685793