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

   Father's |
Race Recode |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,738       37.38       37.38
          2 |        384        3.84       41.22
          3 |         10        0.10       41.32
          4 |      4,260       42.60       83.92
          9 |      1,608       16.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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