Frequencies for first 10,000 rows of mrace variable in natl2012 dataset :

   Mother's |
     Race U |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,082       60.82       60.82
          2 |        385        3.85       64.67
          3 |      2,539       25.39       90.06
          4 |         18        0.18       90.24
          5 |         14        0.14       90.38
          6 |         39        0.39       90.77
          7 |        346        3.46       94.23
         78 |        577        5.77      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 5 May 2016