Frequencies for first 10,000 rows of racesex variable in stch1994 dataset :

                               Race-Sex |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                             White male |      1,254       12.54       12.54
                           White female |      1,254       12.54       25.08
                             Black male |      1,254       12.54       37.62
                           Black female |      1,254       12.54       50.16
  American Indian or Alaska Native male |      1,254       12.54       62.70
American Indian or Alaska Native female |      1,254       12.54       75.24
         Asian or Pacific Islander male |      1,238       12.38       87.62
       Asian or Pacific Islander female |      1,238       12.38      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 Oct 2016