Frequencies for first 10,000 rows of paytype variable in namcs1999 dataset :

 primary expected |
source of payment |
        for visit |      Freq.     Percent        Cum.
------------------+-----------------------------------
Private insurance |      5,202       52.02       52.02
         Medicare |      2,190       21.90       73.92
         Medicaid |        745        7.45       81.37
                4 |        214        2.14       83.51
         Self-pay |        739        7.39       90.90
        No charge |         89        0.89       91.79
            Other |        405        4.05       95.84
          Unknown |        298        2.98       98.82
            Blank |        118        1.18      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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