Frequencies for first 10,000 rows of typeofmedicarehealthplan variable in planreport2015 dataset :

       Type of |
      Medicare |
   Health Plan |      Freq.     Percent        Cum.
---------------+-----------------------------------
               |      5,544       55.44       55.44
          Cost |        252        2.52       57.96
        Cost * |        363        3.63       61.59
     Local HMO |      1,447       14.47       76.06
   Local HMO * |        245        2.45       78.51
     Local PPO |        649        6.49       85.00
   Local PPO * |         33        0.33       85.33
          PFFS |        238        2.38       87.71
        PFFS * |        146        1.46       89.17
  Regional PPO |        697        6.97       96.14
Regional PPO * |        386        3.86      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 14 Apr 2016