Frequencies for first 10,000 rows of typeofmedicarehealthplan variable in planreport2018 dataset :

       Type of |
      Medicare |
   Health Plan |      Freq.     Percent        Cum.
---------------+-----------------------------------
               |      5,753       57.53       57.53
        Cost * |        311        3.11       60.64
     Local HMO |      1,749       17.49       78.13
   Local HMO * |        203        2.03       80.16
     Local PPO |        655        6.55       86.71
   Local PPO * |         98        0.98       87.69
          PFFS |        181        1.81       89.50
        PFFS * |        122        1.22       90.72
  Regional PPO |        594        5.94       96.66
Regional PPO * |        334        3.34      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

by Jean Roth , jroth@nber.org ,