Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            710       666       8.4159     8.8245     8.576044   0.092397   8.5599    
2008            710       666       8.762433   9.079233   8.893439   0.077743   8.878217  
2009            710       666       9.243      9.718667   9.45713    0.126624   9.441483  
2010            710       666       9.160467   9.686466   9.343713   0.137825   9.295834  
2011            710       666       9.8476     10.2989    9.990575   0.111251   9.963517  
2012            710       666       10.298166  10.776567  10.482648  0.118127   10.466617 
2013            710       666       9.1871     9.679367   9.388837   0.101934   9.38      
2014            710       666       9.9339     10.434466  10.130395  0.123258   10.1169   
2015            710       666       9.510633   10.126667  9.735506   0.152806   9.690883  
2016            710       666       10.104333  10.6684    10.325474  0.139074   10.304866 
2017            710       666       9.726933   10.337334  10.004879  0.141944   9.985534  
2018            710       666       8.476501   9.146434   8.747245   0.166414   8.723233  
2019            710       666       9.347      9.834534   9.613607   0.123698   9.6203    
2020            710       666       9.246266   9.7367     9.46547    0.131641   9.4463    
2021            710       666       10.684867  11.361466  11.019485  0.172179   11.000934 
2022            710       666       10.68269   11.200862  10.865941  0.131211   10.828448 
2023            710       666       9.810166   10.351167  10.019805  0.140638   9.985167