Frequencies for first 10,000 rows of apiflag variable in natl1999 dataset :

 Race codes |
      18-68 |
   reported |
 (beginning |
  with 1992 |
      data) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,998       99.98       99.98
          1 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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