Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            396       361       5.535807   6.286903   5.980186   0.20227    6.009097  
2008            396       361       7.704678   8.47871    8.095741   0.1985     8.06758   
2009            396       361       5.201838   5.721677   5.396181   0.119393   5.372903  
2010            396       361       5.827258   6.142807   5.987454   0.059073   5.989032  
2011            396       361       6.569807   7.258709   6.900935   0.149546   6.905516  
2012            396       361       9.669871   10.304581  10.004072  0.138461   10.025354 
2013            396       361       5.478097   6.095742   5.899006   0.132213   5.911549  
2014            396       361       3.81529    4.550032   4.244643   0.161655   4.260387  
2015            396       361       2.380161   2.778387   2.53844    0.076745   2.528258  
2016            396       361       7.568323   8.211871   7.905525   0.144228   7.913194  
2017            396       361       6.734549   7.501903   7.127805   0.173705   7.133193  
2018            396       361       5.406      5.796226   5.51145    0.092437   5.496032  
2019            396       361       5.883451   6.574548   6.186656   0.155297   6.177161  
2020            396       361       8.58158    9.057033   8.820833   0.098834   8.823065  
2021            396       361       6.347677   6.681161   6.510321   0.071836   6.50629   
2022            396       361       7.279548   7.782032   7.483596   0.132699   7.461032  
2023            396       361       7.908678   8.287387   8.060158   0.09259    8.046226