Frequencies for first 10,000 rows of typeofmedicarehealthplan variable in snp2019 dataset : Type of | Medicare | Health Plan | Freq. Percent Cum. -------------+----------------------------------- Local HMO | 7,708 77.08 77.08 Local PPO | 868 8.68 85.76 Regional PPO | 1,424 14.24 100.00 -------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 15 Feb 2019