Frequencies for first 10,000 rows of frace variable in natl1990 dataset :

    Race of |
     Father |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,767       57.67       57.67
          2 |      1,178       11.78       69.45
          3 |          7        0.07       69.52
          4 |          8        0.08       69.60
          5 |          3        0.03       69.63
          8 |         38        0.38       70.01
         99 |      2,999       29.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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