Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            595       550       24.820999  25.325466  25.010179  0.112239   25.0224   
2008            595       550       25.439568  26.5898    25.906278  0.259285   25.930067 
2009            595       550       25.014366  26.185167  25.518904  0.251679   25.50415  
2010            595       550       25.785166  26.8479    26.225257  0.216787   26.186833 
2011            595       550       25.489433  26.559666  26.017604  0.253427   26.073633 
2012            595       550       24.419333  25.0404    24.728963  0.186129   24.75395  
2013            595       550       24.837933  25.735567  25.160667  0.181319   25.107416 
2014            595       550       25.202368  25.931667  25.500121  0.119525   25.484333 
2015            595       550       26.7616    27.591467  27.046221  0.16582    27.007951 
2016            595       550       25.427534  26.152901  25.737846  0.181202   25.768834 
2017            595       550       25.394333  26.144266  25.636487  0.181029   25.604433 
2018            595       550       26.5956    27.373333  27.034994  0.185569   27.06365  
2019            595       550       25.814266  26.4732    26.15767   0.12725    26.17565  
2020            595       550       24.480267  25.497566  25.161258  0.273089   25.253533 
2021            595       550       25.100367  25.799601  25.40982   0.161179   25.39835  
2022            595       550       25.565166  26.062666  25.822258  0.097915   25.835767 
2023            595       550       23.860067  24.334967  24.113964  0.11817    24.13725