Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            104       66        27.3894    27.496967  27.443987  0.0277     27.449249 
2008            104       66        27.124533  27.170267  27.145498  0.012271   27.146749 
2009            104       66        27.239433  27.335934  27.317166  0.018638   27.318583 
2010            104       66        28.501234  28.568933  28.527986  0.01558    28.525733 
2011            104       66        27.542833  27.695801  27.618819  0.039345   27.6175   
2012            104       66        27.038233  27.0811    27.059453  0.011724   27.060167 
2013            104       66        27.535166  27.690901  27.629499  0.038372   27.642384 
2014            104       66        28.080299  28.154766  28.11593   0.018561   28.11975  
2015            104       66        26.771833  26.952868  26.875088  0.048076   26.878716 
2016            104       66        27.380434  27.549999  27.470751  0.044801   27.473583 
2017            104       66        26.736534  26.950768  26.844138  0.06229    26.844634 
2018            104       66        28.959833  29.091833  29.056276  0.033462   29.067467 
2019            104       66        27.657066  27.802433  27.733896  0.043192   27.737617 
2020            104       66        27.407667  27.683334  27.574381  0.069286   27.584133 
2021            104       66        27.351633  27.5019    27.439894  0.046199   27.446834 
2022            104       66        27.787834  27.930201  27.871979  0.038921   27.883983 
2023            104       66        27.305567  27.569067  27.471642  0.070716   27.483583