Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            120       53        28.611065  28.676678  28.638944  0.013103   28.63629  
2008            120       53        27.164904  27.392839  27.285914  0.0639     27.303097 
2009            120       53        26.903645  27.22216   27.092632  0.084804   27.118742 
2010            120       53        27.960451  28.183001  28.086326  0.061189   28.102871 
2011            120       53        27.900904  28.083612  28.011519  0.051693   28.028839 
2012            120       53        28.882322  29.102259  29.008277  0.06416    29.020838 
2013            120       53        28.019678  28.314354  28.183581  0.083247   28.212517 
2014            120       53        29.364161  29.46571   29.408318  0.027411   29.402323 
2015            120       53        26.852161  27.085548  26.977735  0.064177   26.996645 
2016            120       53        30.363935  30.471581  30.420786  0.029451   30.427032 
2017            120       53        27.611872  27.826258  27.737282  0.059061   27.749645 
2018            120       53        29.261129  29.378098  29.314239  0.03187    29.30958  
2019            120       53        28.747742  28.99313   28.88204   0.066905   28.901064 
2020            120       53        29.648806  29.741838  29.703294  0.024448   29.71158  
2021            120       53        28.313839  28.428774  28.381469  0.030306   28.391161 
2022            120       53        29.509935  29.542807  29.519346  0.005839   29.517612 
2023            120       53        29.145742  29.339064  29.256982  0.051528   29.270515