Frequencies for first 10,000 rows of frace variable in natl2011 dataset :

   Father's |
     Race U |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,018       60.18       60.18
          2 |        534        5.34       65.52
          3 |      1,449       14.49       80.01
          4 |          5        0.05       80.06
          5 |          8        0.08       80.14
          6 |         23        0.23       80.37
          7 |        195        1.95       82.32
         78 |        430        4.30       86.62
         99 |      1,338       13.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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