Frequencies for first 10,000 rows of frace variable in natl1993 dataset :

    Race of |
     Father |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,285       52.85       52.85
          2 |      1,009       10.09       62.94
          3 |         18        0.18       63.12
          4 |          8        0.08       63.20
          5 |          3        0.03       63.23
          6 |          1        0.01       63.24
          7 |          2        0.02       63.26
         78 |         38        0.38       63.64
         99 |      3,636       36.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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