Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            74        54        29.051613  29.140129  29.103228  0.02141    29.105984 
2008            74        54        27.978033  28.004387  27.994275  0.007114   27.995581 
2009            74        54        28.15287   28.236774  28.206447  0.020668   28.211113 
2010            74        54        28.929581  29.125387  29.028173  0.055791   29.028242 
2011            74        54        28.892839  29.022678  28.959774  0.038455   28.958387 
2012            74        54        27.694548  27.74287   27.722775  0.011405   27.723871 
2013            74        54        27.536516  27.635775  27.595427  0.027838   27.600871 
2014            74        54        28.374678  28.423515  28.403507  0.013391   28.404306 
2015            74        54        28.485355  28.528065  28.505246  0.010784   28.504759 
2016            74        54        29.413548  29.577549  29.507482  0.045792   29.508936 
2017            74        54        28.39171   28.482935  28.437788  0.027528   28.439064 
2018            74        54        27.55158   27.694645  27.625941  0.036969   27.628048 
2019            74        54        28.876774  28.922258  28.902731  0.012428   28.905742 
2020            74        54        28.841839  29.000839  28.933045  0.044995   28.939548 
2021            74        54        28.848032  28.901484  28.880092  0.015086   28.884935 
2022            74        54        27.872871  27.99242   27.94211   0.038283   27.9455   
2023            74        54        29.247419  29.334774  29.301496  0.023216   29.307419