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

                         Race |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        White |      4,759       47.59       47.59
                        Black |      3,847       38.47       86.06
American Indian/Alaska Native |        770        7.70       93.76
    Asian or Pacific Islander |        624        6.24      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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