Frequencies for first 10,000 rows of paypriv variable in nhamcsed2005 dataset :

    private |
  insurance |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      6,184       61.84       61.84
        yes |      3,816       38.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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