Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            5431      5188      10.346161  17.142225  14.234194  1.335813   14.344193 
2008            5431      5188      11.617226  16.11771   13.808541  0.82583    13.767581 
2009            5431      5188      7.985032   13.074388  10.382148  1.00537    10.307662 
2010            5431      5188      9.327548   14.073646  11.740932  0.966433   11.72979  
2011            5431      5188      10.071096  15.97942   13.393503  1.194268   13.455855 
2012            5431      5188      12.963484  17.879709  15.498174  0.990443   15.558774 
2013            5431      5188      7.41958    13.707129  10.510647  1.369115   10.546548 
2014            5431      5188      7.163258   15.544452  11.548792  1.808461   11.589451 
2015            5431      5188      5.834806   16.450645  12.031787  2.060214   12.089564 
2016            5431      5188      10.629839  17.232193  13.894767  1.254429   13.869629 
2017            5431      5188      9.049419   16.085226  12.277981  1.293251   12.253177 
2018            5431      5188      7.532064   15.003225  10.894438  1.31623    10.880564 
2019            5431      5188      9.224646   16.01642   12.157776  1.232687   12.163823 
2020            5431      5188      10.729613  18.010742  14.101648  1.339593   13.975646 
2021            5431      5188      8.538613   15.629226  11.967787  1.336885   11.970194 
2022            5431      5188      9.713387   16.905355  13.648304  1.443912   13.6755   
2023            5431      5188      10.470967  16.08371   13.52869   1.210678   13.677936