Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            178       62        28.307194  28.549484  28.376431  0.039206   28.377097 
2008            178       62        28.600645  28.67729   28.649491  0.01601    28.652323 
2009            178       62        28.312742  28.49029   28.362985  0.025299   28.365129 
2010            178       62        28.95771   29.092031  29.00886   0.026796   29.005968 
2011            178       62        28.969709  29.261065  29.074933  0.068789   29.058823 
2012            178       62        29.372097  29.585258  29.449032  0.031475   29.452452 
2013            178       62        28.299871  28.630226  28.417341  0.072492   28.398032 
2014            178       62        29.086226  29.208485  29.135728  0.027059   29.137548 
2015            178       62        28.413774  28.76342   28.510698  0.067801   28.495839 
2016            178       62        30.243839  30.320484  30.2753    0.017328   30.273016 
2017            178       62        29.276678  29.630646  29.37692   0.061982   29.366048 
2018            178       62        29.469967  29.581646  29.496625  0.015945   29.495919 
2019            178       62        29.902775  30.260807  30.008589  0.070159   29.998371 
2020            178       62        29.434582  29.762774  29.50678   0.050747   29.502903 
2021            178       62        28.16971   28.58758   28.267881  0.07275    28.249726 
2022            178       62        29.381548  29.588646  29.42833   0.034285   29.42358  
2023            178       62        29.004322  29.525677  29.100892  0.08199    29.089581