Frequencies for first 10,000 rows of fbrace variable in natlterr2010 dataset :

   Father's |
    Bridged |
   Race R** |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,576       35.76       35.76
          2 |        521        5.21       40.97
          4 |          2        0.02       40.99
          5 |         98        0.98       41.97
          6 |        267        2.67       44.64
          7 |         12        0.12       44.76
          8 |         52        0.52       45.28
         10 |         22        0.22       45.50
         12 |        316        3.16       48.66
         13 |          2        0.02       48.68
         14 |        174        1.74       50.42
         24 |         14        0.14       50.56
         99 |        288        2.88       53.44
          . |      4,656       46.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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