Frequencies for first 10,000 rows of paytyper variable in nhamcsed2013 dataset :

 Recoded primary expected source |
  of payment for visit (based on |
                      hierarchy) |      Freq.     Percent        Cum.
---------------------------------+-----------------------------------
All sources of payment are blank |        282        2.82        2.82
                         Unknown |      1,036       10.36       13.18
               Private insurance |      2,711       27.11       40.29
                        Medicare |      1,510       15.10       55.39
                Medicaid or CHIP |      2,702       27.02       82.41
           Worker's compensation |         93        0.93       83.34
                        Self-pay |      1,055       10.55       93.89
               No charge/Charity |        125        1.25       95.14
                           Other |        486        4.86      100.00
---------------------------------+-----------------------------------
                           Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016