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

   medicare |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      8,412       84.12       84.12
        yes |      1,588       15.88      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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