Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            2800      2779      28.083128  28.474743  28.272698  0.097312   28.278    
2008            2800      2779      26.987484  27.784483  27.33091   0.180674   27.320969 
2009            2800      2779      28.875517  29.292387  29.104927  0.068012   29.103451 
2010            2800      2779      26.352646  26.992807  26.625444  0.122196   26.62471  
2011            2800      2779      26.595549  27.59642   27.044255  0.254452   27.04571  
2012            2800      2779      27.855259  28.359871  28.079467  0.118582   28.057646 
2013            2800      2779      28.005548  28.567194  28.27232   0.132121   28.260033 
2014            2800      2779      27.568388  28.262774  27.932722  0.154663   27.934    
2015            2800      2779      27.630581  28.050646  27.880595  0.074552   27.891903 
2016            2800      2779      27.379549  28.179935  27.759557  0.16063    27.77729  
2017            2800      2779      27.611032  28.351387  28.006323  0.178238   28.052677 
2018            2800      2779      27.944323  28.372581  28.205218  0.09865    28.226517 
2019            2800      2779      28.379322  28.732645  28.56998   0.069503   28.576872 
2020            2800      2779      28.673903  28.93671   28.818644  0.064749   28.814516 
2021            2800      2779      28.375517  28.781872  28.590059  0.079612   28.605677 
2022            2800      2779      27.130386  27.783484  27.480012  0.137451   27.507065 
2023            2800      2779      27.52729   28.549452  27.977349  0.203535   27.979193