Frequencies for first 10,000 rows of mracerec variable in natlterr2008 dataset :

   Mother's |
Race Recode |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,799       37.99       37.99
          2 |        430        4.30       42.29
          3 |          5        0.05       42.34
          4 |      5,766       57.66      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 May 2016