Frequencies for first 10,000 rows of mrace variable in natl1997 dataset :

    Race of |
     Mother |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,500       65.00       65.00
          2 |      3,401       34.01       99.01
          3 |         26        0.26       99.27
          4 |         10        0.10       99.37
          5 |          4        0.04       99.41
          6 |          1        0.01       99.42
          7 |         11        0.11       99.53
         78 |         47        0.47      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015