Frequencies for first 10,000 rows of mrace variable in natl2011 dataset :

   Mother's |
     Race U |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,172       61.72       61.72
          2 |        452        4.52       66.24
          3 |      2,478       24.78       91.02
          4 |         20        0.20       91.22
          5 |         20        0.20       91.42
          6 |         31        0.31       91.73
          7 |        308        3.08       94.81
         78 |        519        5.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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