Frequencies for first 10,000 rows of glucose variable in nhamcsed2012 dataset :

    Glucose |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      8,078       80.78       80.78
        Yes |      1,922       19.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016