Frequencies for first 10,000 rows of race variable in uswbo19agesadj dataset :

                                   Race |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                  White |      4,132       41.32       41.32
                                  Black |      3,782       37.82       79.14
Other (1969+)/American Indian/Alaska Na |      2,086       20.86      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 2 Jan 2018