Frequencies for first 10,000 rows of dplural variable in natl2002 dataset :

  Plurality |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,780       97.80       97.80
          2 |        220        2.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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