Frequencies for first 10,000 rows of frace variable in natl2010 dataset :

   Father's |
     Race U |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,899       58.99       58.99
          2 |        494        4.94       63.93
          3 |      1,515       15.15       79.08
          4 |          7        0.07       79.15
          5 |         14        0.14       79.29
          6 |         29        0.29       79.58
          7 |        241        2.41       81.99
         78 |        464        4.64       86.63
         99 |      1,337       13.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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