Frequencies for first 10,000 rows of paypriv variable in nhamcsed2009 dataset :

   expected |
  source of |
   payment: |
    private |
  insurance |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,236       62.36       62.36
          1 |      3,764       37.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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