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

    private |
  insurance |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      3,481       34.81       34.81
        yes |      6,519       65.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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