Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            560       525       25.091871  25.254387  25.188105  0.029641   25.188387 
2008            560       525       25.76713   25.926451  25.85549   0.032229   25.855289 
2009            560       525       25.948612  26.139484  26.024031  0.045817   26.010612 
2010            560       525       26.105452  26.285774  26.225905  0.048095   26.24342  
2011            560       525       25.236967  25.540483  25.395562  0.09482    25.376677 
2012            560       525       26.313097  26.564386  26.478775  0.067018   26.503323 
2013            560       525       23.62229   23.781612  23.714539  0.034208   23.715097 
2014            560       525       23.44416   23.677547  23.55845   0.045041   23.556839 
2015            560       525       25.488838  25.630064  25.567451  0.036505   25.581354 
2016            560       525       25.749903  26.075968  25.879891  0.081181   25.855484 
2017            560       525       25.286291  25.357161  25.329807  0.01119    25.331064 
2018            560       525       26.318548  26.735645  26.593429  0.09635    26.606613 
2019            560       525       25.490936  25.671259  25.627889  0.031934   25.636    
2020            560       525       26.087194  26.726999  26.444706  0.157381   26.447935 
2021            560       525       25.306774  25.885355  25.618986  0.128326   25.613226 
2022            560       525       26.545839  26.975452  26.823823  0.108099   26.843323 
2023            560       525       26.302645  26.836388  26.599652  0.131949   26.601355