Frequencies for first 10,000 rows of solo variable in namcs2007 dataset :

    solo or |
      group |
   practice |      Freq.     Percent        Cum.
------------+-----------------------------------
        yes |      2,758       27.58       27.58
         no |      7,242       72.42      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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