Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            131       110       2.981357   3.323429   3.154039   0.082405   3.15525   
2008            131       110       2.594517   2.865828   2.708184   0.069562   2.703793  
2009            131       110       1.8925     2.174428   2.033144   0.071741   2.029768  
2010            131       110       2.730572   2.97       2.845299   0.05881    2.842839  
2011            131       110       2.617536   2.825179   2.718224   0.050557   2.717071  
2012            131       110       4.466276   4.743552   4.579503   0.064258   4.571983  
2013            131       110       3.973821   4.311643   4.132093   0.083331   4.126018  
2014            131       110       1.999      2.2465     2.11395    0.06073    2.108571  
2015            131       110       1.741964   2.228      1.981954   0.125872   1.973518  
2016            131       110       3.854586   4.138655   3.990375   0.069184   3.987914  
2017            131       110       4.356143   4.640321   4.494872   0.065143   4.496304  
2018            131       110       3.024286   3.188786   3.102962   0.039769   3.102821  
2019            131       110       2.707607   2.919679   2.8042     0.048596   2.80375   
2020            131       110       4.007448   4.261586   4.133159   0.061143   4.123121  
2021            131       110       2.919154   3.372808   3.140864   0.113889   3.128404  
2022            131       110       3.629536   4.141179   3.886686   0.125408   3.876393  
2023            131       110       4.106321   4.337036   4.209302   0.051075   4.206482