Frequencies for first 10,000 rows of medtech variable in namcs2002 dataset : Medical | technician | seen | Freq. Percent Cum. ------------+----------------------------------- No | 9,364 93.64 93.64 Yes | 636 6.36 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016