Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            126       60        29.61429   29.739548  29.653888  0.02719    29.648807 
2008            126       60        26.875452  27.246677  27.061842  0.084859   27.066726 
2009            126       60        28.436741  28.721903  28.596803  0.068767   28.6145   
2010            126       60        30.174452  30.309517  30.218945  0.039255   30.203145 
2011            126       60        29.148031  29.32642   29.251769  0.040428   29.263871 
2012            126       60        27.963161  28.191355  28.081066  0.058029   28.093162 
2013            126       60        28.784193  28.879969  28.822383  0.02184    28.824581 
2014            126       60        29.337162  29.433193  29.380939  0.02795    29.373145 
2015            126       60        29.339678  29.42729   29.378542  0.025802   29.373096 
2016            126       60        29.939356  30.059807  30.00996   0.026051   30.019773 
2017            126       60        28.849451  28.922386  28.895538  0.018066   28.898145 
2018            126       60        28.603775  28.856516  28.730896  0.069262   28.726677 
2019            126       60        29.170033  29.267355  29.224406  0.024893   29.226387 
2020            126       60        29.366678  29.483032  29.436046  0.032844   29.444258 
2021            126       60        28.966419  29.070612  29.018141  0.024202   29.014806 
2022            126       60        29.123806  29.247387  29.184601  0.034116   29.181435 
2023            126       60        29.845354  30.130968  30.002298  0.073462   30.009629