Frequencies for first 10,000 rows of solo variable in namcs2012 dataset :

 Type of practice |
   (solo/nonsolo) |      Freq.     Percent        Cum.
------------------+-----------------------------------
             Solo |      4,301       43.01       43.01
         Non-solo |      5,699       56.99      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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