Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            38        33        9.054      9.130645   9.0954     0.017671   9.095645  
2008            38        33        8.367517   8.412548   8.390847   0.010463   8.390775  
2009            38        33        8.580677   8.650258   8.622245   0.017617   8.624452  
2010            38        33        10.027355  10.076936  10.057523  0.014093   10.059871 
2011            38        33        9.223871   9.277967   9.253394   0.013041   9.252291  
2012            38        33        8.624162   8.663355   8.646126   0.008777   8.646709  
2013            38        33        9.327032   9.374548   9.351545   0.011073   9.351     
2014            38        33        8.735774   8.808871   8.774345   0.017921   8.774258  
2015            38        33        11.805549  11.871419  11.840422  0.016868   11.840033 
2016            38        33        10.356968  10.428194  10.394118  0.01696    10.394645 
2017            38        33        9.592581   9.661      9.628643   0.015678   9.628355  
2018            38        33        10.322645  10.367162  10.347241  0.009902   10.347677 
2019            38        33        10.441581  10.546904  10.500993  0.023683   10.500161 
2020            38        33        9.724322   9.766419   9.752154   0.009483   9.753387  
2021            38        33        9.532806   9.580548   9.558789   0.01169    9.55829   
2022            38        33        9.443709   9.487839   9.469531   0.011977   9.468064  
2023            38        33        9.803452   9.838516   9.823735   0.007668   9.822904