Frequencies for first 10,000 rows of frace variable in natl1971 dataset :

    Race of |
     Father |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,487       64.87       64.87
          2 |      1,929       19.29       84.16
          3 |          2        0.02       84.18
          7 |         18        0.18       84.36
          9 |      1,564       15.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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