Frequencies for first 10,000 rows of typeofmedicarehealthplan variable in ma2019 dataset :

       Type of |
      Medicare |
   Health Plan |      Freq.     Percent        Cum.
---------------+-----------------------------------
               |          1        0.01        0.01
        Cost * |        286        2.86        2.87
     Local HMO |      3,888       38.88       41.75
   Local HMO * |        446        4.46       46.21
     Local PPO |      2,416       24.16       70.37
   Local PPO * |        404        4.04       74.41
         MSA * |        292        2.92       77.33
          PFFS |        346        3.46       80.79
        PFFS * |        163        1.63       82.42
  Regional PPO |      1,113       11.13       93.55
Regional PPO * |        645        6.45      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

by Jean Roth , jroth@nber.org ,