Frequencies for first 10,000 rows of paytype variable in namcs2005 dataset :

  expected source |
     of payment - |
        hierarchy |      Freq.     Percent        Cum.
------------------+-----------------------------------
            Blank |        287        2.87        2.87
Private insurance |      5,688       56.88       59.75
         Medicare |      1,722       17.22       76.97
         Medicaid |      1,452       14.52       91.49
                4 |         55        0.55       92.04
         Self-pay |        331        3.31       95.35
        No charge |         42        0.42       95.77
            Other |        244        2.44       98.21
          Unknown |        179        1.79      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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