Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            124       96        20.217068  20.309566  20.280327  0.022327   20.284417 
2008            124       96        20.554834  20.829433  20.712077  0.07987    20.73505  
2009            124       96        20.363132  20.646034  20.534133  0.085337   20.5693   
2010            124       96        20.639267  20.771233  20.727409  0.033912   20.732734 
2011            124       96        22.389482  22.586138  22.504966  0.051343   22.512223 
2012            124       96        22.581699  22.677467  22.629076  0.024303   22.629801 
2013            124       96        20.157101  20.5296    20.384606  0.116853   20.422234 
2014            124       96        19.391567  19.664034  19.56017   0.08664    19.597    
2015            124       96        22.479366  22.5882    22.554176  0.030338   22.568701 
2016            124       96        20.897934  21.170567  21.066786  0.080078   21.101816 
2017            124       96        22.315266  22.621201  22.481     0.086255   22.498983 
2018            124       96        20.293533  20.535433  20.441158  0.06339    20.463984 
2019            124       96        20.290266  20.553234  20.453268  0.080271   20.480717 
2020            124       96        21.986866  22.1621    22.087418  0.041575   22.085966 
2021            124       96        20.328766  20.438999  20.395397  0.027788   20.398267 
2022            124       96        20.732233  21.160034  20.955011  0.121771   20.983617 
2023            124       96        21.531277  21.665035  21.613393  0.042438   21.629086