Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            6786      5027      1.985429   5.845857   3.540687   0.88843    3.325179  
2008            6786      5027      4.512552   7.100138   5.776077   0.602458   5.747276  
2009            6786      5027      3.245893   5.216143   4.106836   0.465047   4.072214  
2010            6786      5027      1.956643   3.681      2.74882    0.381624   2.704357  
2011            6786      5027      2.952      4.882      3.939588   0.425673   3.960607  
2012            6786      5027      6.114621   7.754345   6.890385   0.381497   6.874552  
2013            6786      5027      4.387429   6.626107   5.214821   0.555426   5.062357  
2014            6786      5027      1.803821   3.911536   2.767103   0.405449   2.744821  
2015            6786      5027      0.809929   2.365393   1.559657   0.341176   1.533607  
2016            6786      5027      4.276207   5.907827   4.993562   0.374348   4.989414  
2017            6786      5027      5.815      7.638107   6.552477   0.488446   6.494464  
2018            6786      5027      4.010464   5.243536   4.549872   0.246438   4.531714  
2019            6786      5027      4.001822   6.396      5.117039   0.536362   5.097785  
2020            6786      5027      6.351758   7.753448   7.129936   0.30152    7.189311  
2021            6786      5027      3.360615   5.194385   4.20152    0.488666   4.104769  
2022            6786      5027      3.794107   5.665143   4.557548   0.455481   4.437214  
2023            6786      5027      6.665107   8.67825    7.485456   0.527137   7.2825