Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            74        54        17.072807  17.325356  17.194841  0.063366   17.193935 
2008            74        54        16.508484  16.775419  16.631385  0.065111   16.631113 
2009            74        54        14.173419  14.465065  14.310612  0.071724   14.313291 
2010            74        54        13.058839  13.524096  13.28376   0.117314   13.280436 
2011            74        54        12.984516  13.378516  13.171882  0.097695   13.177322 
2012            74        54        13.942355  14.287355  14.103547  0.084569   14.102871 
2013            74        54        16.322065  16.684     16.493753  0.089816   16.498322 
2014            74        54        12.318258  12.773323  12.538999  0.11504    12.537161 
2015            74        54        14.480806  14.995935  14.70433   0.126394   14.700758 
2016            74        54        15.301806  15.685678  15.474898  0.093373   15.479322 
2017            74        54        12.720129  13.25071   12.950576  0.126304   12.942145 
2018            74        54        14.454484  14.86      14.628551  0.097443   14.618194 
2019            74        54        13.272516  13.570323  13.40694   0.073165   13.408226 
2020            74        54        14.476839  14.918967  14.654631  0.104846   14.653726 
2021            74        54        12.191516  12.543451  12.346354  0.085077   12.342468 
2022            74        54        11.780742  12.246775  12.006119  0.1176     12.002984 
2023            74        54        12.197742  12.650645  12.409093  0.114915   12.414951