Frequencies for first 10,000 rows of crace variable in natl1981 dataset :

    Race of |
      Child |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         40        0.40        0.40
          1 |      6,459       64.59       64.99
          2 |      3,486       34.86       99.85
          3 |          7        0.07       99.92
          4 |          4        0.04       99.96
          5 |          1        0.01       99.97
          6 |          2        0.02       99.99
          8 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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