Frequencies for first 10,000 rows of typeofmedicarehealthplan variable in snp2009 dataset :

     Type of |
    Medicare |
 Health Plan |      Freq.     Percent        Cum.
-------------+-----------------------------------
        Demo |         26        0.26        0.26
   Local HMO |      6,008       60.08       60.34
   Local PPO |        431        4.31       64.65
Regional PPO |      3,535       35.35      100.00
-------------+-----------------------------------
       Total |     10,000      100.00

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