Frequencies for first 10,000 rows of dplural variable in natl2001 dataset :

  Plurality |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,667       96.67       96.67
          2 |        310        3.10       99.77
          3 |         19        0.19       99.96
          4 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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