Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            126       60        27.456367  27.639833  27.571851  0.043538   27.578567 
2008            126       60        27.080833  27.235266  27.167117  0.039906   27.1678   
2009            126       60        27.235834  27.3076    27.261021  0.020417   27.258801 
2010            126       60        28.488634  28.5592    28.512797  0.01555    28.508317 
2011            126       60        27.579967  27.7939    27.691007  0.045101   27.69425  
2012            126       60        27.0751    27.2075    27.130539  0.028655   27.129833 
2013            126       60        27.640167  27.771366  27.702247  0.032302   27.69675  
2014            126       60        28.072266  28.152866  28.107148  0.015195   28.106566 
2015            126       60        26.8368    27.153166  27.037838  0.066253   27.052816 
2016            126       60        27.440466  27.712166  27.575031  0.060694   27.573317 
2017            126       60        26.763567  27.1469    26.987839  0.089685   27.0078   
2018            126       60        29.087133  29.255667  29.190666  0.04481    29.199467 
2019            126       60        27.665533  27.955833  27.844855  0.069352   27.864234 
2020            126       60        27.513134  27.854134  27.716535  0.065987   27.729751 
2021            126       60        27.378033  27.539267  27.475568  0.036128   27.482166 
2022            126       60        27.878532  28.064199  27.98944   0.03869    27.9945   
2023            126       60        27.328266  27.554001  27.452989  0.057267   27.453067