Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            396       361       14.22558   15.092161  14.575605  0.195656   14.561872 
2008            396       361       14.106258  15.084709  14.530936  0.210714   14.524033 
2009            396       361       14.942677  15.777516  15.236436  0.169875   15.211226 
2010            396       361       15.064548  16.375387  15.765905  0.288688   15.79371  
2011            396       361       16.018969  17.476484  16.623007  0.312578   16.594709 
2012            396       361       16.654419  17.462484  17.021378  0.178234   17.015871 
2013            396       361       14.595871  15.710322  15.1278    0.24288    15.124032 
2014            396       361       14.874064  16.145323  15.408623  0.276858   15.385452 
2015            396       361       15.509065  16.692129  16.074698  0.238315   16.085161 
2016            396       361       14.091484  14.881806  14.446673  0.172211   14.442516 
2017            396       361       14.648419  15.878967  15.192464  0.265448   15.180677 
2018            396       361       15.786903  16.901613  16.173796  0.224452   16.134291 
2019            396       361       16.049419  17.529678  16.614384  0.323216   16.565645 
2020            396       361       13.829419  14.948226  14.432976  0.237698   14.458    
2021            396       361       15.42      16.573839  15.890584  0.247826   15.870193 
2022            396       361       14.444258  15.45429   14.808043  0.189749   14.774516 
2023            396       361       15.815549  16.546741  16.199868  0.141348   16.198612