Frequencies for first 10,000 rows of frace variable in natlterr2005 dataset :

   Father's |
     Race U |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        376        3.76        3.76
          2 |         47        0.47        4.23
          3 |          4        0.04        4.27
          4 |        200        2.00        6.27
          5 |         49        0.49        6.76
          6 |          6        0.06        6.82
          7 |        841        8.41       15.23
          8 |      1,685       16.85       32.08
         18 |          6        0.06       32.14
         28 |         43        0.43       32.57
         38 |          2        0.02       32.59
         48 |          2        0.02       32.61
         58 |      1,004       10.04       42.65
         78 |        571        5.71       48.36
         99 |      1,419       14.19       62.55
          . |      3,745       37.45      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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