Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            57        6         4.07725    4.148536   4.117875   0.024494   4.119911  
2008            57        6         2.772724   2.818448   2.79919    0.015787   2.801172  
2009            57        6         2.674536   2.7285     2.705738   0.018404   2.707821  
2010            57        6         3.59275    3.629893   3.614333   0.012623   3.616054  
2011            57        6         3.430679   3.466286   3.453411   0.013637   3.455822  
2012            57        6         5.298069   5.37069    5.336678   0.026893   5.338034  
2013            57        6         5.489429   5.538428   5.521375   0.0194     5.524857  
2014            57        6         2.757393   2.825964   2.797518   0.023215   2.800429  
2015            57        6         3.039393   3.132607   3.096833   0.032645   3.101982  
2016            57        6         4.384828   4.451655   4.422374   0.022934   4.424448  
2017            57        6         4.73925    4.786107   4.766881   0.016018   4.768911  
2018            57        6         3.804143   3.848036   3.830583   0.015196   3.832679  
2019            57        6         3.188536   3.228679   3.211512   0.013552   3.213     
2020            57        6         4.18669    4.269586   4.235736   0.028169   4.23919   
2021            57        6         3.279885   3.380038   3.339955   0.034336   3.344615  
2022            57        6         3.842072   3.945571   3.902339   0.035154   3.90675   
2023            57        6         4.720107   4.806821   4.771119   0.029464   4.774678