Frequencies for first 10,000 rows of typeofmedicarehealthplan variable in snp2008 dataset :

     Type of |
    Medicare |
 Health Plan |      Freq.     Percent        Cum.
-------------+-----------------------------------
        Demo |         29        0.29        0.29
   Local HMO |      5,319       53.19       53.48
   Local PPO |        464        4.64       58.12
Regional PPO |      4,188       41.88      100.00
-------------+-----------------------------------
       Total |     10,000      100.00

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