Frequencies for first 10,000 rows of frace variable in natl1986 dataset :

    Race of |
     Father |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         37        0.37        0.37
          1 |      6,003       60.03       60.40
          2 |      1,333       13.33       73.73
          3 |          8        0.08       73.81
          4 |         11        0.11       73.92
          5 |          1        0.01       73.93
          6 |          2        0.02       73.95
          7 |          3        0.03       73.98
          8 |          2        0.02       74.00
          9 |      2,600       26.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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