Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            134       88        11.186355  11.472033  11.337064  0.071956   11.350564 
2008            134       88        10.899387  10.973613  10.935496  0.022514   10.936177 
2009            134       88        10.806548  10.831613  10.813336  0.006526   10.811177 
2010            134       88        11.453096  11.504419  11.475533  0.013756   11.472532 
2011            134       88        11.61729   11.750581  11.697778  0.031817   11.703855 
2012            134       88        12.849548  12.952065  12.887599  0.028821   12.880403 
2013            134       88        12.154032  12.241484  12.183939  0.015072   12.181612 
2014            134       88        12.225097  12.387096  12.324218  0.043053   12.331677 
2015            134       88        11.192774  11.381162  11.286521  0.049922   11.281903 
2016            134       88        12.325065  12.445742  12.378281  0.032826   12.370339 
2017            134       88        12.12      12.396709  12.26041   0.056233   12.27058  
2018            134       88        11.870097  12.050871  11.959381  0.044962   11.951597 
2019            134       88        11.689612  11.80429   11.745115  0.030487   11.743226 
2020            134       88        12.124516  12.241581  12.177249  0.024244   12.176936 
2021            134       88        12.919     13.161033  13.042416  0.045295   13.047726 
2022            134       88        12.730645  12.804516  12.760824  0.014638   12.760629 
2023            134       88        12.486903  12.634355  12.556786  0.033605   12.560162