Frequencies for first 10,000 rows of mrace variable in natl1998 dataset :

    Race of |
     Mother |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,504       65.04       65.04
          2 |      3,396       33.96       99.00
          3 |         16        0.16       99.16
          4 |         12        0.12       99.28
          5 |          2        0.02       99.30
          6 |          1        0.01       99.31
          7 |          4        0.04       99.35
         78 |         65        0.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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