Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            38        33        11.561274  11.611069  11.591708  0.013962   11.592998 
2008            38        33        10.955076  11.011836  10.989613  0.015355   10.986979 
2009            38        33        11.373205  11.428704  11.407403  0.015064   11.408578 
2010            38        33        11.73197   11.774693  11.756575  0.011629   11.758123 
2011            38        33        11.752508  11.808594  11.785696  0.014419   11.78553  
2012            38        33        11.740281  11.792439  11.768747  0.014602   11.772241 
2013            38        33        11.783986  11.84237   11.820377  0.016059   11.820655 
2014            38        33        12.8682    12.929907  12.906402  0.016791   12.905775 
2015            38        33        12.9396    13.029167  12.993562  0.024054   12.993282 
2016            38        33        12.524052  12.604112  12.573466  0.021678   12.570669 
2017            38        33        11.783271  11.880663  11.842125  0.026315   11.843619 
2018            38        33        11.973946  12.081523  12.037377  0.029411   12.039962 
2019            38        33        12.4104    12.50534   12.46851   0.025792   12.468397 
2020            38        33        12.055068  12.133347  12.093803  0.023654   12.093285 
2021            38        33        11.971518  12.060702  12.016652  0.026953   12.015873 
2022            38        33        11.499039  11.594536  11.555371  0.025907   11.557739 
2023            38        33        11.618378  11.74697   11.687493  0.036738   11.694695