Frequencies for first 10,000 rows of typeofmedicarehealthplan variable in planreport2010 dataset :

       Type of |
      Medicare |
   Health Plan |      Freq.     Percent        Cum.
---------------+-----------------------------------
               |      5,235       52.35       52.35
        Demo * |          5        0.05       52.40
     Local HMO |      1,158       11.58       63.98
   Local HMO * |        342        3.42       67.40
     Local PPO |        895        8.95       76.35
   Local PPO * |          2        0.02       76.37
          PFFS |        703        7.03       83.40
        PFFS * |        557        5.57       88.97
  Regional PPO |        592        5.92       94.89
Regional PPO * |        511        5.11      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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