Frequencies for first 10,000 rows of sex variable in demo2016q3 dataset :

   Code for |
  patient's |
        sex |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        506        5.06        5.06
          F |      5,342       53.42       58.48
          M |      4,151       41.51       99.99
        UNK |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 6 Apr 2017