Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            919       837       24.621458  25.23654   25.011314  0.139966   25.039644 
2008            919       837       24.446243  24.883839  24.702102  0.108277   24.728975 
2009            919       837       24.670799  25.237572  24.976513  0.147124   24.997715 
2010            919       837       23.624296  24.139275  23.930079  0.118507   23.929033 
2011            919       837       24.568628  25.152876  24.887769  0.128173   24.887129 
2012            919       837       24.953039  25.390902  25.223877  0.129923   25.245077 
2013            919       837       24.714806  25.253649  25.02422   0.135541   25.050909 
2014            919       837       24.571852  25.129532  24.902952  0.143139   24.922098 
2015            919       837       25.439964  25.963476  25.766492  0.133137   25.774557 
2016            919       837       24.744354  25.289164  25.040043  0.126815   25.042833 
2017            919       837       24.997383  25.553295  25.359714  0.142258   25.372387 
2018            919       837       24.825754  25.402649  25.144362  0.132433   25.152925 
2019            919       837       25.171431  25.829912  25.603454  0.153028   25.624077 
2020            919       837       25.547949  26.072451  25.876999  0.099895   25.880547 
2021            919       837       25.211462  25.810015  25.510363  0.092983   25.503279 
2022            919       837       25.301821  25.824106  25.609833  0.134589   25.619122 
2023            919       837       25.711601  26.351242  26.065359  0.143932   26.063242