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

   Father's |
Race Recode |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,018       60.18       60.18
          2 |        534        5.34       65.52
          3 |      1,449       14.49       80.01
          4 |        661        6.61       86.62
          9 |      1,338       13.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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