Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            66        42        14.38571   14.734516  14.517993  0.066741   14.523145 
2008            66        42        14.195291  14.414968  14.247876  0.044445   14.239613 
2009            66        42        14.924419  15.198484  14.999622  0.052476   14.99329  
2010            66        42        14.711064  15.031645  14.831339  0.076971   14.823226 
2011            66        42        15.847259  16.095226  15.921993  0.053777   15.914968 
2012            66        42        16.498711  16.716032  16.565775  0.046693   16.558516 
2013            66        42        14.444194  14.703774  14.510873  0.054376   14.496549 
2014            66        42        14.609194  14.897516  14.719664  0.065838   14.71471  
2015            66        42        15.246323  15.543677  15.336101  0.065078   15.325306 
2016            66        42        13.978419  14.239549  14.056428  0.054546   14.047452 
2017            66        42        14.564129  14.788129  14.620078  0.043653   14.609936 
2018            66        42        15.681291  15.982162  15.764326  0.062507   15.749242 
2019            66        42        15.858709  16.216     15.960657  0.076576   15.946355 
2020            66        42        13.496903  13.934774  13.668647  0.101933   13.669322 
2021            66        42        15.281355  15.655323  15.369532  0.07611    15.348484 
2022            66        42        14.334     14.59329   14.395868  0.05156    14.380677 
2023            66        42        15.755742  16.043484  15.837738  0.060285   15.829209