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

    Race of |
     Father |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         36        0.36        0.36
          1 |      6,095       60.95       61.31
          2 |      1,398       13.98       75.29
          3 |          4        0.04       75.33
          4 |          6        0.06       75.39
          5 |          2        0.02       75.41
          6 |          1        0.01       75.42
          7 |          1        0.01       75.43
          8 |          1        0.01       75.44
          9 |      2,456       24.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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