Frequencies for first 10,000 rows of ethnicrflg variable in natl1987 dataset :

  Ethnicity |
 (by State) |
       flag |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,793       97.93       97.93
          1 |        206        2.06       99.99
          2 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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