Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            138       95        6.291161   7.207451   6.757781   0.262476   6.731226  
2008            138       95        3.39171    4.08571    3.723146   0.201422   3.699581  
2009            138       95        4.143258   4.679871   4.364205   0.140766   4.350516  
2010            138       95        4.668355   5.121935   4.879956   0.129061   4.870548  
2011            138       95        4.342516   4.81229    4.527559   0.126205   4.508484  
2012            138       95        6.329516   6.891935   6.564438   0.146005   6.548871  
2013            138       95        7.110484   7.416935   7.240251   0.084026   7.234226  
2014            138       95        3.440387   4.061516   3.746921   0.177093   3.737097  
2015            138       95        5.599064   6.196548   5.870057   0.153209   5.866032  
2016            138       95        5.725387   6.330903   6.042856   0.170222   6.046355  
2017            138       95        6.050903   6.713419   6.369078   0.181047   6.362967  
2018            138       95        3.761194   4.633      4.233553   0.237639   4.240484  
2019            138       95        4.119097   4.607451   4.368936   0.137472   4.363097  
2020            138       95        5.134323   5.610355   5.350503   0.133803   5.340129  
2021            138       95        4.911129   5.658645   5.290984   0.219724   5.290742  
2022            138       95        5.710419   6.628613   6.18984    0.255727   6.195516  
2023            138       95        5.503323   5.94771    5.703288   0.113675   5.698806