Frequencies for first 10,000 rows of crace variable in natl1992 dataset :

    Race of |
      Child |
     (Codes |
  18-68 and |
78 are new) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,944       99.44       99.44
          7 |         56        0.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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