Frequencies for first 10,000 rows of crace variable in natl1979 dataset :

    Race of |
      Child |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         43        0.43        0.43
          1 |      6,397       63.97       64.40
          2 |      3,544       35.44       99.84
          3 |          7        0.07       99.91
          4 |          3        0.03       99.94
          5 |          1        0.01       99.95
          6 |          3        0.03       99.98
          8 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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