Frequencies for first 10,000 rows of electrol variable in nhamcsed2015 dataset 

Electrolyte |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,518       95.18       95.18
        Yes |        482        4.82      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017