Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            2271      1991      22.730677  24.794291  23.891723  0.559694   23.896355 
2008            2271      1991      23.474838  25.718     24.794308  0.637355   24.820999 
2009            2271      1991      22.699451  24.834839  23.90262   0.531668   23.934967 
2010            2271      1991      24.653904  27.905451  26.104859  0.893047   25.993162 
2011            2271      1991      24.328194  27.596806  25.693542  0.931708   25.474613 
2012            2271      1991      25.355194  27.538162  26.436634  0.57477    26.39229  
2013            2271      1991      23.936516  27.10829   25.422573  0.862374   25.327517 
2014            2271      1991      23.346161  25.926128  24.404279  0.643054   24.319258 
2015            2271      1991      24.355677  25.904936  25.218094  0.404985   25.211645 
2016            2271      1991      24.769386  27.211323  25.90741   0.621161   25.813354 
2017            2271      1991      23.790064  26.805742  24.941212  0.803179   24.723484 
2018            2271      1991      23.976257  25.998838  25.129474  0.532714   25.147484 
2019            2271      1991      25.061161  26.902903  26.015433  0.502012   25.996452 
2020            2271      1991      24.718485  28.648516  26.489753  1.032728   26.295    
2021            2271      1991      23.616484  28.265419  25.842001  1.266691   25.644806 
2022            2271      1991      23.417452  25.930065  24.55776   0.645018   24.445904 
2023            2271      1991      24.257225  27.542999  25.945621  0.881186   25.837225