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

        sex |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,504       65.04       65.04
          2 |      3,315       33.15       98.19
          8 |         22        0.22       98.41
          9 |        159        1.59      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016