Frequencies for first 10,000 rows of dplural variable in natl2005 dataset :

  Plurality |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,760       97.60       97.60
          2 |        234        2.34       99.94
          3 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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