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

   Mother's |
       Race |
    Imputed |
   Flag U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,781       97.81       97.81
          1 |         15        0.15       97.96
          2 |        204        2.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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