Frequencies for first 10,000 rows of mrace variable in natlterr2011 dataset :

   Mother's |
     Race U |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         99        0.99        0.99
          2 |         11        0.11        1.10
          3 |          1        0.01        1.11
          4 |         21        0.21        1.32
          5 |         15        0.15        1.47
          6 |          4        0.04        1.51
          7 |        211        2.11        3.62
          8 |      1,622       16.22       19.84
         58 |        552        5.52       25.36
          . |      7,464       74.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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