Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            38        33        10.283834  10.3149    10.301447  0.008742   10.301233 
2008            38        33        8.834633   8.872666   8.856922   0.01066    8.859034  
2009            38        33        9.259033   9.3115     9.287932   0.016237   9.289333  
2010            38        33        10.3444    10.3835    10.36918   0.010247   10.371933 
2011            38        33        9.658448   9.692827   9.678983   0.008779   9.680035  
2012            38        33        10.271934  10.3177    10.292728  0.01285    10.289967 
2013            38        33        10.0513    10.085633  10.065049  0.009669   10.0647   
2014            38        33        10.885867  10.9142    10.901244  0.007732   10.900867 
2015            38        33        11.533733  11.5715    11.553786  0.010296   11.552033 
2016            38        33        12.135366  12.152233  12.143422  0.004006   12.143666 
2017            38        33        10.501034  10.517333  10.511124  0.003857   10.512033 
2018            38        33        10.103367  10.144033  10.124095  0.009838   10.124166 
2019            38        33        10.957267  10.967067  10.963477  0.002083   10.9637   
2020            38        33        10.1584    10.1759    10.166617  0.005098   10.166966 
2021            38        33        9.896367   9.924033   9.912023   0.008181   9.912566  
2022            38        33        9.673333   9.692667   9.68482    0.004666   9.685133  
2023            38        33        9.074656   9.087896   9.081559   0.003239   9.081173