Frequencies for first 10,000 rows of paytype variable in namcs1997 dataset :

 primary expected |
source of payment |
        for visit |      Freq.     Percent        Cum.
------------------+-----------------------------------
Private insurance |      4,992       49.92       49.92
         Medicare |      2,446       24.46       74.38
         Medicaid |        868        8.68       83.06
                4 |        156        1.56       84.62
         Self-pay |        821        8.21       92.83
        No charge |         67        0.67       93.50
            Other |        449        4.49       97.99
          Unknown |        115        1.15       99.14
            Blank |         86        0.86      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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