Frequencies for first 10,000 rows of paytyper variable in nhamcsed2015 dataset 

 Recoded primary expected source |
  of payment for visit (based on |
                      hierarchy) |      Freq.     Percent        Cum.
---------------------------------+-----------------------------------
All sources of payment are blank |        308        3.08        3.08
                         Unknown |        737        7.37       10.45
               Private insurance |      2,990       29.90       40.35
                        Medicare |      1,832       18.32       58.67
                Medicaid or CHIP |      3,170       31.70       90.37
           Worker's compensation |         67        0.67       91.04
                        Self-pay |        662        6.62       97.66
               No charge/Charity |         34        0.34       98.00
                           Other |        200        2.00      100.00
---------------------------------+-----------------------------------
                           Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017