Frequencies for first 10,000 rows of mrace variable in natl2009 dataset :

   Mother's |
     Race U |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,571       75.71       75.71
          2 |      1,864       18.64       94.35
          3 |        314        3.14       97.49
          4 |         25        0.25       97.74
          5 |          4        0.04       97.78
          6 |          4        0.04       97.82
          7 |         32        0.32       98.14
         78 |        186        1.86      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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