Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            66        42        8.469452   8.725323   8.6328     0.048882   8.632064  
2008            66        42        6.104      6.411968   6.27877    0.068552   6.273903  
2009            66        42        4.642774   5.058129   4.857002   0.102879   4.861258  
2010            66        42        3.940548   4.333355   4.153487   0.109683   4.169758  
2011            66        42        2.618581   2.941      2.781363   0.081029   2.780984  
2012            66        42        7.721065   8.020355   7.872987   0.076089   7.877807  
2013            66        42        6.54871    6.810355   6.701849   0.055947   6.698258  
2014            66        42        4.735129   5.151516   4.936785   0.10428    4.939355  
2015            66        42        4.430742   4.786032   4.609416   0.087375   4.610693  
2016            66        42        7.697742   8.037452   7.865078   0.086123   7.868081  
2017            66        42        6.442355   6.729839   6.623309   0.058851   6.620532  
2018            66        42        2.986613   3.442452   3.211636   0.113914   3.213984  
2019            66        42        6.048097   6.331903   6.198738   0.074276   6.205645  
2020            66        42        7.000968   7.239774   7.133352   0.054674   7.129532  
2021            66        42        6.284935   6.632323   6.498104   0.073969   6.494645  
2022            66        42        5.510581   5.962613   5.794387   0.08705    5.791774  
2023            66        42        6.713032   6.953678   6.874058   0.046889   6.877468