Frequencies for first 10,000 rows of solo variable in namcs2009 dataset :

    solo or |
      group |
   practice |      Freq.     Percent        Cum.
------------+-----------------------------------
      blank |         42        0.42        0.42
        yes |      3,266       32.66       33.08
         no |      6,692       66.92      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016