Frequencies for first 10,000 rows of mrace variable in natl2006 dataset :

   Mother's |
     Race U |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,321       63.21       63.21
          2 |        385        3.85       67.06
          3 |      2,475       24.75       91.81
          4 |         21        0.21       92.02
          5 |         21        0.21       92.23
          6 |         40        0.40       92.63
          7 |        356        3.56       96.19
         78 |        381        3.81      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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