Frequencies for first 10,000 rows of crace variable in natl1988 dataset :

    Race of |
      Child |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         68        0.68        0.68
          1 |      6,442       64.42       65.10
          2 |      3,457       34.57       99.67
          3 |         16        0.16       99.83
          4 |          4        0.04       99.87
          5 |          2        0.02       99.89
          6 |          1        0.01       99.90
          7 |          2        0.02       99.92
          8 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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