Frequencies for first 10,000 rows of dme variable in namcs2012 dataset : Durable | medical | equipment | Freq. Percent Cum. ------------+----------------------------------- No | 9,972 99.72 99.72 Yes | 28 0.28 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016