Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            300       271       21.816645  22.086098  21.968454  0.08034    21.993935 
2008            300       271       22.327     22.57942   22.400684  0.056537   22.379484 
2009            300       271       21.718388  22.123354  21.879386  0.09012    21.885612 
2010            300       271       23.898161  24.683903  24.301216  0.220167   24.276064 
2011            300       271       23.339418  23.569517  23.441542  0.046886   23.441677 
2012            300       271       24.484549  25.204515  24.898344  0.167752   24.901356 
2013            300       271       23.197548  23.405418  23.307423  0.046802   23.315226 
2014            300       271       22.24613   23.069935  22.695663  0.225941   22.679096 
2015            300       271       23.066195  23.855677  23.485454  0.226657   23.45442  
2016            300       271       23.42971   23.988096  23.800605  0.117984   23.843742 
2017            300       271       22.47171   23.005161  22.68032   0.166002   22.622419 
2018            300       271       23.253548  23.576775  23.416014  0.08927    23.427225 
2019            300       271       24.557903  24.988613  24.856668  0.082552   24.869484 
2020            300       271       24.788193  25.118839  24.929647  0.071347   24.918386 
2021            300       271       22.712742  23.137484  22.941585  0.09927    22.964773 
2022            300       271       23.047838  23.183678  23.106228  0.025393   23.103128 
2023            300       271       23.951807  24.306614  24.150181  0.102936   24.142128