Frequencies for first 10,000 rows of paytype variable in namcs1998 dataset :

 primary expected |
source of payment |
        for visit |      Freq.     Percent        Cum.
------------------+-----------------------------------
Private insurance |      5,678       56.78       56.78
         Medicare |      1,690       16.90       73.68
         Medicaid |      1,006       10.06       83.74
                4 |        150        1.50       85.24
         Self-pay |        656        6.56       91.80
        No charge |        115        1.15       92.95
            Other |        475        4.75       97.70
          Unknown |        168        1.68       99.38
            Blank |         62        0.62      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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