Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            120       53        16.38529   16.857355  16.692138  0.096732   16.711967 
2008            120       53        16.856323  17.185871  17.053763  0.065645   17.058483 
2009            120       53        13.54871   14.181     13.917057  0.13868    13.924709 
2010            120       53        11.991968  12.504354  12.311223  0.104559   12.325452 
2011            120       53        16.076742  16.422548  16.297198  0.071846   16.306097 
2012            120       53        18.534548  18.907774  18.795675  0.087534   18.80558  
2013            120       53        13.847065  14.560484  14.294082  0.14743    14.320613 
2014            120       53        12.088323  13.020387  12.659719  0.192687   12.680194 
2015            120       53        13.365226  14.219742  13.893267  0.177354   13.911775 
2016            120       53        16.923452  17.414709  17.22589   0.104335   17.231386 
2017            120       53        16.551033  17.078064  16.883937  0.109608   16.901291 
2018            120       53        15.191452  15.724936  15.524653  0.11603    15.533129 
2019            120       53        15.830484  16.328129  16.144776  0.106354   16.15229  
2020            120       53        17.555193  17.959517  17.833439  0.091184   17.844194 
2021            120       53        15.792387  16.021936  15.957164  0.053598   15.968    
2022            120       53        16.596291  17.127193  16.92878   0.113535   16.935259 
2023            120       53        18.411194  18.700388  18.585618  0.075871   18.594355