Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            5431      5188      22.8794    25.469667  24.922563  0.525686   25.083683 
2008            5431      5188      24.8599    26.742767  26.367452  0.330132   26.4487   
2009            5431      5188      23.8584    26.392467  25.896968  0.507739   26.09835  
2010            5431      5188      24.428801  27.093134  26.482027  0.637094   26.736217 
2011            5431      5188      24.937634  26.690733  26.313779  0.334348   26.450784 
2012            5431      5188      23.233267  25.127867  24.741081  0.336199   24.795467 
2013            5431      5188      23.559799  26.025066  25.589684  0.46384    25.7599   
2014            5431      5188      24.144934  26.233767  25.692983  0.45212    25.698099 
2015            5431      5188      24.728067  27.808666  27.273727  0.629796   27.523884 
2016            5431      5188      23.899767  26.238367  25.74471   0.460527   25.871034 
2017            5431      5188      23.299868  26.272867  25.723602  0.639382   25.985717 
2018            5431      5188      25.2593    27.586466  27.026585  0.508825   27.223617 
2019            5431      5188      24.173634  26.574432  26.089685  0.506006   26.26155  
2020            5431      5188      23.136766  25.504734  24.882381  0.439428   24.980234 
2021            5431      5188      23.616568  26.026199  25.511034  0.469515   25.680034 
2022            5431      5188      24.4277    26.239067  25.860284  0.362733   25.982283 
2023            5431      5188      21.794001  24.532167  23.962561  0.584575   24.209517