Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            289       144       26.204533  26.369566  26.285087  0.035419   26.283233 
2008            289       144       27.931334  28.1192    28.015883  0.042113   28.013866 
2009            289       144       27.412134  27.576567  27.534277  0.042833   27.555733 
2010            289       144       28.500334  28.626534  28.586233  0.028797   28.597834 
2011            289       144       28.397833  28.688633  28.525315  0.071564   28.510051 
2012            289       144       26.323334  26.533367  26.419346  0.049105   26.4162   
2013            289       144       27.313534  27.362034  27.3498    0.01048    27.352817 
2014            289       144       27.431667  27.625666  27.494091  0.047887   27.478233 
2015            289       144       28.287333  28.420334  28.363573  0.032194   28.364017 
2016            289       144       27.364901  27.549566  27.451932  0.04985    27.451034 
2017            289       144       27.317167  27.528467  27.444642  0.046711   27.455683 
2018            289       144       28.0469    28.256933  28.20387   0.053717   28.224784 
2019            289       144       27.866899  28.052032  27.931624  0.036116   27.923416 
2020            289       144       26.129234  26.232567  26.190326  0.024178   26.187567 
2021            289       144       26.780832  26.989466  26.866306  0.051746   26.857417 
2022            289       144       28.224133  28.403933  28.295557  0.043327   28.2922   
2023            289       144       25.080166  25.326     25.224965  0.06667    25.214933