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

    Race of |
     Mother |
     (Codes |
  18-68 and |
78 are new) |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,482       64.82       64.82
          2 |      3,438       34.38       99.20
          3 |         10        0.10       99.30
          4 |         10        0.10       99.40
          5 |          2        0.02       99.42
          7 |          6        0.06       99.48
         78 |         52        0.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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