Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            2800      2779      23.906935  24.898291  24.36659   0.206325   24.405355 
2008            2800      2779      21.342743  23.532516  22.291186  0.510309   22.315775 
2009            2800      2779      23.550903  25.14971   24.439801  0.395594   24.523743 
2010            2800      2779      21.771967  23.312967  22.592317  0.388821   22.623838 
2011            2800      2779      22.535872  24.252001  23.211476  0.363853   23.164289 
2012            2800      2779      22.576807  24.543322  23.487484  0.44336    23.542645 
2013            2800      2779      23.670097  25.049322  24.255025  0.287561   24.261999 
2014            2800      2779      21.009096  24.31258   22.538899  0.852142   22.558128 
2015            2800      2779      24.63887   25.659935  25.208665  0.246235   25.289032 
2016            2800      2779      24.539644  25.505806  25.092437  0.222007   25.141483 
2017            2800      2779      22.602516  24.674129  23.636619  0.488933   23.705    
2018            2800      2779      21.448193  24.43371   22.785816  0.731714   22.784225 
2019            2800      2779      23.131645  25.007774  23.904381  0.462196   23.866419 
2020            2800      2779      21.07629   24.279064  22.457322  0.815926   22.392485 
2021            2800      2779      23.542582  25.07229   24.338554  0.359332   24.415871 
2022            2800      2779      23.539162  25.488743  24.306225  0.497608   24.262161 
2023            2800      2779      21.860201  24.489799  23.053465  0.614998   23.0133