Frequencies for first 10,000 rows of paytyper variable in namcs2010 dataset :

  recoded type of payment (based |
                   on hierarchy) |      Freq.     Percent        Cum.
---------------------------------+-----------------------------------
all sources of payment are blank |         80        0.80        0.80
                         unknown |        305        3.05        3.85
               private insurance |      5,538       55.38       59.23
                        medicare |      1,864       18.64       77.87
                        medicaid |      1,613       16.13       94.00
           worker's compensation |         64        0.64       94.64
                        self-pay |        304        3.04       97.68
                       no charge |         48        0.48       98.16
                           other |        184        1.84      100.00
---------------------------------+-----------------------------------
                           Total |     10,000      100.00

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