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

   medicare |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      7,944       79.44       79.44
        yes |      2,056       20.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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