Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            383       355       4.97       5.816064   5.356052   0.205657   5.323484  
2008            383       355       3.33129    4.096065   3.652523   0.194655   3.601806  
2009            383       355       3.437871   3.823387   3.584954   0.100181   3.553484  
2010            383       355       4.834548   5.37571    5.084356   0.127427   5.057871  
2011            383       355       4.647065   5.180774   4.905614   0.121298   4.887129  
2012            383       355       5.417774   5.784387   5.570097   0.093926   5.54529   
2013            383       355       6.373194   6.839065   6.617148   0.109283   6.622871  
2014            383       355       3.862452   4.905193   4.358641   0.261703   4.300581  
2015            383       355       5.070903   6.157161   5.559951   0.26618    5.499936  
2016            383       355       5.546419   6.265129   5.844005   0.180036   5.79429   
2017            383       355       5.362484   6.187193   5.745323   0.204563   5.703226  
2018            383       355       2.749      4.529193   3.559      0.4369     3.474323  
2019            383       355       3.830161   4.530161   4.177014   0.161859   4.155645  
2020            383       355       5.443355   5.909226   5.650254   0.11701    5.621387  
2021            383       355       4.108      5.537774   4.7742     0.344389   4.702484  
2022            383       355       3.01171    4.96471    3.978712   0.478712   3.900258  
2023            383       355       6.078613   6.670516   6.37174    0.144539   6.350323