Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            66        42        8.980367   9.152267   9.046109   0.039784   9.044917  
2008            66        42        10.4201    10.503734  10.482043  0.021985   10.491083 
2009            66        42        9.4939     9.6715     9.548287   0.036667   9.543167  
2010            66        42        10.407634  10.629434  10.461232  0.045738   10.4469   
2011            66        42        9.503862   9.740759   9.591538   0.05691    9.584931  
2012            66        42        12.015166  12.186633  12.063483  0.034829   12.05765  
2013            66        42        9.302533   9.502867   9.37504    0.045398   9.370867  
2014            66        42        7.985633   8.157567   8.02664    0.035333   8.0175    
2015            66        42        8.123734   8.283234   8.200575   0.040708   8.208716  
2016            66        42        10.6755    10.9158    10.800222  0.05257    10.808116 
2017            66        42        10.496866  10.696033  10.5465    0.039092   10.539133 
2018            66        42        8.2497     8.520333   8.391398   0.070691   8.40215   
2019            66        42        10.116266  10.400766  10.249721  0.071297   10.252333 
2020            66        42        10.395     10.717733  10.543687  0.081414   10.549933 
2021            66        42        10.158267  10.3853    10.220439  0.044638   10.209033 
2022            66        42        10.0718    10.313133  10.203491  0.063768   10.20635  
2023            66        42        11.593069  11.826793  11.649276  0.045789   11.637948