Frequencies for first 10,000 rows of solo variable in namcs2006 dataset :

    solo or |
      group |
   practice |      Freq.     Percent        Cum.
------------+-----------------------------------
        yes |      3,170       31.70       31.70
         no |      6,776       67.76       99.46
      blank |         54        0.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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