Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            309       273       8.6833     8.984867   8.773513   0.077832   8.7528    
2008            309       273       8.837267   9.1057     8.963757   0.063695   8.9547    
2009            309       273       9.344566   9.799633   9.582017   0.110687   9.579467  
2010            309       273       9.377267   9.745033   9.533724   0.089554   9.5089    
2011            309       273       10.080833  10.4572    10.196595  0.107663   10.155867 
2012            309       273       10.466267  10.8085    10.636038  0.082074   10.6222   
2013            309       273       9.579233   9.999933   9.781291   0.095373   9.767233  
2014            309       273       10.158867  10.741899  10.466002  0.139918   10.449933 
2015            309       273       9.772233   10.2248    9.998013   0.109786   9.998667  
2016            309       273       10.412267  11.036067  10.718399  0.157837   10.695267 
2017            309       273       10.529233  10.936133  10.747297  0.078726   10.7361   
2018            309       273       8.6898     9.388933   9.102182   0.16313    9.107067  
2019            309       273       9.8608     10.278367  10.105031  0.086839   10.107634 
2020            309       273       9.591066   10.011633  9.782266   0.111015   9.783533  
2021            309       273       10.895733  11.551766  11.218626  0.154256   11.208633 
2022            309       273       10.889414  11.262724  11.066875  0.082806   11.054896 
2023            309       273       9.930667   10.2113    10.014282  0.074815   9.983967