Frequencies for typeofmedicarehealthplan variable in snp2018 dataset :

     Type of |
    Medicare |
 Health Plan |      Freq.     Percent        Cum.
-------------+-----------------------------------
   Local HMO |      8,172       72.52       72.52
   Local PPO |        777        6.90       79.42
Regional PPO |      2,319       20.58      100.00
-------------+-----------------------------------
       Total |     11,268      100.00

by Jean Roth , jroth@nber.org , 10 Sep 2018