Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            138       95        8.6329     8.804934   8.696267   0.041911   8.690766  
2008            138       95        8.818666   9.0128     8.900755   0.05346    8.895033  
2009            138       95        9.3627     9.657033   9.494202   0.075443   9.4903    
2010            138       95        9.3814     9.6933     9.505928   0.08497    9.495434  
2011            138       95        10.080733  10.314333  10.16501   0.055769   10.1593   
2012            138       95        10.474466  10.852633  10.635485  0.106448   10.621567 
2013            138       95        9.530334   9.8369     9.647573   0.071725   9.6464    
2014            138       95        10.231     10.602867  10.388145  0.099037   10.383966 
2015            138       95        9.700666   10.092767  9.854799   0.104801   9.840333  
2016            138       95        10.405666  10.7953    10.566606  0.100598   10.565066 
2017            138       95        10.245434  10.632466  10.404161  0.090658   10.4056   
2018            138       95        8.711233   9.324933   8.971422   0.16896    8.954333  
2019            138       95        9.798133   10.047067  9.908669   0.061705   9.9102    
2020            138       95        9.436167   9.712167   9.540211   0.062298   9.539833  
2021            138       95        10.942433  11.4844    11.164641  0.143397   11.147034 
2022            138       95        10.791138  11.027656  10.869274  0.051101   10.863552 
2023            138       95        9.981367   10.290533  10.106294  0.081618   10.096133