Frequencies for first 10,000 rows of mrace variable in natl1985 dataset :

    Race of |
     Mother |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         54        0.54        0.54
          1 |      6,614       66.14       66.68
          2 |      3,302       33.02       99.70
          3 |         10        0.10       99.80
          4 |          7        0.07       99.87
          5 |          4        0.04       99.91
          7 |          1        0.01       99.92
          8 |          7        0.07       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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