Frequencies for first 10,000 rows of frace variable in natl1991 dataset :

    Race of |
     Father |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,790       57.90       57.90
          2 |      1,025       10.25       68.15
          3 |         10        0.10       68.25
          4 |          9        0.09       68.34
          5 |          3        0.03       68.37
          7 |          3        0.03       68.40
          8 |         35        0.35       68.75
         99 |      3,125       31.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015