Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            74        54        24.754322  24.835194  24.792265  0.022616   24.790516 
2008            74        54        22.079548  22.198999  22.134968  0.031422   22.135726 
2009            74        54        23.266581  23.396065  23.329545  0.031054   23.332436 
2010            74        54        23.145258  23.331484  23.219916  0.046477   23.213774 
2011            74        54        22.384226  22.566612  22.461581  0.044726   22.459806 
2012            74        54        23.608999  23.751806  23.665386  0.034576   23.659613 
2013            74        54        22.389097  22.507807  22.441556  0.029871   22.441807 
2014            74        54        23.073872  23.166065  23.124904  0.023596   23.130468 
2015            74        54        22.360483  22.597387  22.455695  0.056195   22.450581 
2016            74        54        23.136065  23.264582  23.199554  0.034625   23.203386 
2017            74        54        23.574516  23.687677  23.625591  0.029928   23.62321  
2018            74        54        25.093548  25.218742  25.149574  0.03183    25.149887 
2019            74        54        24.411871  24.508741  24.459272  0.02585    24.457355 
2020            74        54        23.069839  23.229033  23.139075  0.038443   23.141129 
2021            74        54        23.726355  23.87558   23.787912  0.039169   23.780468 
2022            74        54        20.505129  20.745451  20.611143  0.057714   20.613016 
2023            74        54        21.49987   21.693096  21.587548  0.048998   21.586839