Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            38        33        8.433464   8.483357   8.464423   0.01149    8.465536  
2008            38        33        7.945379   8.008656   7.984844   0.015373   7.98662   
2009            38        33        7.91625    7.988607   7.960032   0.016431   7.961714  
2010            38        33        10.316607  10.33675   10.32749   0.006111   10.327286 
2011            38        33        8.629607   8.694893   8.663491   0.015905   8.662857  
2012            38        33        8.803      8.826758   8.816535   0.005373   8.816     
2013            38        33        8.679393   8.73925    8.713996   0.013191   8.711643  
2014            38        33        8.841536   8.915643   8.888749   0.018935   8.894215  
2015            38        33        11.936893  11.991821  11.970052  0.012558   11.97075  
2016            38        33        10.668069  10.705482  10.688003  0.010268   10.689344 
2017            38        33        9.543893   9.61425    9.580487   0.017802   9.580893  
2018            38        33        9.191857   9.236072   9.217902   0.010003   9.217893  
2019            38        33        9.325571   9.427178   9.38353    0.022445   9.380964  
2020            38        33        9.277379   9.343449   9.318428   0.015865   9.319621  
2021            38        33        8.677692   8.742616   8.717283   0.015818   8.720038  
2022            38        33        8.845465   8.966036   8.924732   0.028567   8.930107  
2023            38        33        8.593928   8.662786   8.631884   0.015134   8.630107