Frequencies for first 10,000 rows of frace variable in linkpe2009psden dataset :

   Father's |
     Race U |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        305        3.05        3.05
          2 |         55        0.55        3.60
          3 |          7        0.07        3.67
          4 |         44        0.44        4.11
          5 |         22        0.22        4.33
          6 |         12        0.12        4.45
          7 |        469        4.69        9.14
          8 |        556        5.56       14.70
         58 |      1,093       10.93       25.63
         99 |        859        8.59       34.22
          . |      6,578       65.78      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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