Frequencies for first 10,000 rows of paytyper variable in namcs2013 dataset :

   Type of payment (recoded from |
          multiple sources using |
                      hierarchy) |      Freq.     Percent        Cum.
---------------------------------+-----------------------------------
All sources of payment are blank |         54        0.54        0.54
                         Unknown |        245        2.45        2.99
               Private insurance |      4,802       48.02       51.01
                        Medicare |      2,761       27.61       78.62
                Medicaid or CHIP |      1,206       12.06       90.68
           Worker's compensation |        188        1.88       92.56
                        Self-pay |        485        4.85       97.41
               No charge/Charity |         45        0.45       97.86
                           Other |        214        2.14      100.00
---------------------------------+-----------------------------------
                           Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017