Frequencies for first 10,000 rows of emt variable in nhamcsed2014 dataset : EMT | Freq. Percent Cum. ------------+----------------------------------- No | 9,380 93.80 93.80 Yes | 620 6.20 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017