Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            3568      3463      5.174533   6.293433   5.625302   0.201118   5.5856    
2008            3568      3463      7.130533   8.6713     7.555507   0.346447   7.4418    
2009            3568      3463      6.2197     7.5367     6.536391   0.247132   6.464433  
2010            3568      3463      7.667767   9.010933   8.482638   0.384005   8.609734  
2011            3568      3463      5.856724   7.536414   6.396178   0.396553   6.216862  
2012            3568      3463      9.292067   10.423134  9.607031   0.201034   9.583633  
2013            3568      3463      6.540566   8.119534   7.039651   0.355518   6.999     
2014            3568      3463      5.3318     6.430567   5.603955   0.226498   5.5332    
2015            3568      3463      4.2056     6.148267   4.692212   0.395097   4.555933  
2016            3568      3463      7.213167   8.8362     7.746266   0.418709   7.684933  
2017            3568      3463      6.551733   8.2145     7.180367   0.369708   7.170733  
2018            3568      3463      5.417533   6.5623     5.664251   0.223979   5.5839    
2019            3568      3463      7.056267   8.140433   7.282966   0.208773   7.197033  
2020            3568      3463      7.369333   8.777333   7.832941   0.291956   7.778333  
2021            3568      3463      7.1497     8.715      7.544389   0.347035   7.425066  
2022            3568      3463      7.094133   7.876733   7.384584   0.171394   7.3771    
2023            3568      3463      7.817966   9.654449   8.439291   0.440628   8.373551