Frequencies for first 10,000 rows of frace variable in natl1969 dataset :

    Race of |
     Father |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,498       64.98       64.98
          2 |      2,017       20.17       85.15
          3 |          2        0.02       85.17
          4 |          1        0.01       85.18
          6 |          3        0.03       85.21
          7 |         31        0.31       85.52
          8 |         12        0.12       85.64
          9 |      1,436       14.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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