Frequencies for first 10,000 rows of paytyper variable in namcs2009 dataset :

  recoded type of payment (based |
                   on hierarchy) |      Freq.     Percent        Cum.
---------------------------------+-----------------------------------
all sources of payment are blank |         59        0.59        0.59
                         unknown |        167        1.67        2.26
               private insurance |      5,700       57.00       59.26
                        medicare |      2,056       20.56       79.82
                        medicaid |      1,237       12.37       92.19
           worker's compensation |        146        1.46       93.65
                        self-pay |        419        4.19       97.84
                       no charge |         12        0.12       97.96
                           other |        204        2.04      100.00
---------------------------------+-----------------------------------
                           Total |     10,000      100.00

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