Frequencies for first 10,000 rows of paytyper variable in namcs2014 dataset :

 Type of payment (recoded from multiple |
               sources using hierarchy) |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
       All sources of payment are blank |        128        1.28        1.28
                                Unknown |        234        2.34        3.62
                      Private insurance |      5,118       51.18       54.80
                               Medicare |      2,738       27.38       82.18
Medicaid, CHIP or other state-based pro |        955        9.55       91.73
                  Worker's compensation |        120        1.20       92.93
                               Self-pay |        578        5.78       98.71
                      No charge/Charity |         31        0.31       99.02
                                  Other |         98        0.98      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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