Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            1213      941       10.052096  10.619452  10.300537  0.157518   10.333064 
2008            1213      941       9.757968   10.481483  10.043618  0.180876   10.042903 
2009            1213      941       10.527742  11.318935  10.88722   0.21025    10.869774 
2010            1213      941       11.898355  12.40029   12.079907  0.146886   12.04829  
2011            1213      941       10.912774  11.558935  11.200128  0.168181   11.216968 
2012            1213      941       10.695193  11.448483  11.08748   0.193926   11.135419 
2013            1213      941       10.772871  11.483065  11.181665  0.186613   11.224968 
2014            1213      941       10.95829   12.162742  11.596955  0.335453   11.654064 
2015            1213      941       12.691355  13.455709  13.128916  0.195867   13.168645 
2016            1213      941       11.859258  12.558452  12.175398  0.177641   12.156516 
2017            1213      941       10.363935  11.280419  10.839679  0.259494   10.904742 
2018            1213      941       11.287742  12.193322  11.757853  0.290359   11.77471  
2019            1213      941       11.633516  12.446742  12.025612  0.205344   12.069129 
2020            1213      941       11.38871   11.993838  11.709521  0.163955   11.758323 
2021            1213      941       10.553935  11.391548  11.083363  0.22965    11.099129 
2022            1213      941       9.966678   11.72529   11.304632  0.26338    11.395806 
2023            1213      941       10.449936  11.553064  11.132507  0.168353   11.163258