Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            590       553       24.5646    24.764933  24.656815  0.048119   24.653467 
2008            590       553       25.127068  25.3314    25.215387  0.042361   25.216366 
2009            590       553       24.654333  25.128532  24.966218  0.091634   24.974466 
2010            590       553       24.203867  24.536766  24.38121   0.068644   24.3855   
2011            590       553       26.321276  27.341759  27.081931  0.153493   27.105587 
2012            590       553       25.124767  25.4035    25.232487  0.061885   25.228033 
2013            590       553       25.4678    25.867201  25.724969  0.084387   25.742834 
2014            590       553       25.687134  26.168499  26.037945  0.081767   26.059134 
2015            590       553       26.563734  27.417034  27.209968  0.149888   27.238867 
2016            590       553       25.519001  25.731367  25.621419  0.053246   25.624733 
2017            590       553       25.581934  25.896534  25.71546   0.058758   25.7104   
2018            590       553       25.621733  26.3242    26.181972  0.126654   26.217899 
2019            590       553       25.922234  26.302834  26.120305  0.105787   26.113867 
2020            590       553       26.681168  27.804132  27.517051  0.218822   27.575001 
2021            590       553       25.463934  25.9666    25.806017  0.103504   25.840534 
2022            590       553       25.946234  26.294033  26.138242  0.094914   26.162533 
2023            590       553       26.310587  27.25769   26.906704  0.207423   26.98362