Frequencies for first 10,000 rows of nmedcare variable in namcs2012 dataset :

 Type of payments |
accepted from new |
        patients: |
         Medicare |      Freq.     Percent        Cum.
------------------+-----------------------------------
          Unknown |        271        2.71        2.71
   Not applicable |        327        3.27        5.98
              Yes |      7,548       75.48       81.46
               No |      1,854       18.54      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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