Frequencies for first 10,000 rows of csex variable in natl1989 dataset :

        Sex |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,157       51.57       51.57
          2 |      4,843       48.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016