Frequencies for first 10,000 rows of primaryreason variable in nadacc20171018 dataset : Primary Reason | Freq. Percent Cum. ---------------+----------------------------------- Help Desk | 4 0.04 0.04 Survey Rate | 9,996 99.96 100.00 ---------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 10 Feb 2018