Frequencies for typeofmedicarehealthplan variable in snp2010 dataset :

     Type of |
    Medicare |
 Health Plan |      Freq.     Percent        Cum.
-------------+-----------------------------------
        Demo |         30        0.34        0.34
   Local HMO |      5,506       63.13       63.47
   Local PPO |        364        4.17       67.65
Regional PPO |      2,822       32.35      100.00
-------------+-----------------------------------
       Total |      8,722      100.00

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