Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            1073      658       22.619549  23.803516  23.253228  0.319623   23.260048 
2008            1073      658       22.214968  23.35671   22.764896  0.340851   22.724773 
2009            1073      658       23.325678  24.574646  24.17813   0.292861   24.24171  
2010            1073      658       23.029903  24.162935  23.548001  0.339748   23.501242 
2011            1073      658       22.766581  24.063644  23.538949  0.358462   23.598597 
2012            1073      658       24.233549  25.261614  24.879671  0.222764   24.867806 
2013            1073      658       21.855452  23.213839  22.536584  0.394767   22.521097 
2014            1073      658       22.657936  23.682194  23.109111  0.305071   23.063    
2015            1073      658       23.352226  24.864967  24.19073   0.367175   24.166    
2016            1073      658       24.318548  25.407904  24.900479  0.326883   24.907645 
2017            1073      658       22.88158   23.949646  23.392219  0.331529   23.377501 
2018            1073      658       24.166355  24.913548  24.5976    0.219257   24.635274 
2019            1073      658       22.868162  23.837582  23.438457  0.26793    23.453677 
2020            1073      658       23.835743  24.666323  24.317811  0.201504   24.335887 
2021            1073      658       23.628967  24.428871  24.045715  0.208984   24.044854 
2022            1073      658       23.837904  24.410999  24.233376  0.13903    24.259984 
2023            1073      658       22.520678  23.489065  23.003642  0.271974   22.994016