Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            117       54        27.375401  27.477266  27.426591  0.024957   27.428717 
2008            117       54        27.103733  27.139566  27.123975  0.008657   27.1242   
2009            117       54        27.2078    27.289633  27.231309  0.020615   27.222466 
2010            117       54        28.501934  28.570566  28.527118  0.016316   28.5233   
2011            117       54        27.491133  27.602568  27.564817  0.031145   27.573216 
2012            117       54        27.035034  27.112267  27.057238  0.019559   27.050666 
2013            117       54        27.482967  27.561367  27.524259  0.01829    27.524699 
2014            117       54        28.127001  28.2001    28.166448  0.021876   28.166567 
2015            117       54        26.753033  26.972567  26.871907  0.057379   26.875067 
2016            117       54        27.334133  27.5026    27.424065  0.047671   27.423901 
2017            117       54        26.666733  26.9786    26.84907   0.095793   26.8707   
2018            117       54        28.908167  28.988867  28.954419  0.021385   28.960483 
2019            117       54        27.628099  27.775066  27.700129  0.042071   27.695149 
2020            117       54        27.343399  27.592066  27.517867  0.063686   27.53605  
2021            117       54        27.305267  27.510967  27.410073  0.050986   27.41385  
2022            117       54        27.710934  27.9049    27.817379  0.047758   27.820517 
2023            117       54        27.237267  27.667601  27.488744  0.108108   27.50035