Frequencies for first 10,000 rows of mrace variable in natl2000 dataset :

    Race of |
     Mother |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,568       65.68       65.68
          2 |      3,322       33.22       98.90
          3 |         26        0.26       99.16
          4 |         14        0.14       99.30
          5 |          6        0.06       99.36
          7 |          8        0.08       99.44
         78 |         56        0.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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