Frequencies for first 10,000 rows of ethnicrflg variable in natl1983 dataset :

  Ethnicity |
 (by State) |
       flag |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,746       97.46       97.46
          1 |        196        1.96       99.42
          2 |         58        0.58      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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