Frequencies for first 10,000 rows of offersvariabledrugcopayments variable in ma2007 dataset : Offers | Variable | DrugCo-paym | ents | Freq. Percent Cum. ------------+----------------------------------- | 4,286 42.86 42.86 ยท | 5,714 57.14 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 14 Apr 2016