Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            42        34        14.762161  14.85942   14.80443   0.02817    14.799048 
2008            42        34        14.880484  14.968613  14.922229  0.023824   14.919193 
2009            42        34        14.47371   14.553806  14.522631  0.02122    14.524129 
2010            42        34        15.146839  15.246839  15.194233  0.031624   15.189452 
2011            42        34        14.209032  14.299387  14.252972  0.025824   14.248581 
2012            42        34        13.766807  13.778903  13.772925  0.003707   13.772774 
2013            42        34        14.858193  14.959774  14.899027  0.031403   14.889693 
2014            42        34        16.539194  16.657646  16.60359   0.037047   16.60221  
2015            42        34        17.362     17.423193  17.389154  0.018006   17.385484 
2016            42        34        16.019064  16.205355  16.08713   0.061028   16.064371 
2017            42        34        15.790968  15.841064  15.806829  0.014753   15.799984 
2018            42        34        14.840161  14.87      14.850088  0.0081     14.846871 
2019            42        34        14.947162  15.093904  15.009706  0.046142   14.996855 
2020            42        34        15.863129  15.896903  15.880265  0.010235   15.880258 
2021            42        34        14.096452  14.198613  14.130984  0.033088   14.116242 
2022            42        34        15.322968  15.393419  15.352045  0.020874   15.3445   
2023            42        34        13.766323  13.819     13.792499  0.016168   13.789597