Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            274       245       8.769733   9.014633   8.876738   0.050483   8.8713    
2008            274       245       8.869233   9.065866   8.955687   0.046012   8.947367  
2009            274       245       9.374133   9.940833   9.659133   0.142525   9.6408    
2010            274       245       9.3964     9.793834   9.563083   0.099116   9.5425    
2011            274       245       9.999866   10.240733  10.092995  0.063679   10.072267 
2012            274       245       10.518967  11.023666  10.736483  0.127678   10.705466 
2013            274       245       9.682      10.1903    9.89589    0.121466   9.878333  
2014            274       245       9.778733   10.5078    10.088909  0.191166   10.041433 
2015            274       245       9.694667   10.3586    10.017177  0.168508   9.9898    
2016            274       245       10.076067  11.0094    10.509548  0.234313   10.451366 
2017            274       245       10.388233  11.0676    10.707645  0.161061   10.676    
2018            274       245       8.731466   9.3502     9.037876   0.149158   9.027433  
2019            274       245       9.802134   10.2087    9.986281   0.105288   9.953966  
2020            274       245       9.677934   10.232533  9.932766   0.144696   9.897533  
2021            274       245       10.355066  11.5989    10.948918  0.319857   10.8879   
2022            274       245       10.846379  11.443655  11.172554  0.147686   11.172517 
2023            274       245       9.648633   10.1293    9.878217   0.112512   9.8515