Frequencies for first 10,000 rows of paymcare variable in nhamcsed2006 dataset :

   medicare |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      8,340       83.40       83.40
        yes |      1,660       16.60      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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