Frequencies for first 10,000 rows of pct020h009 variable in sf12010880us38 dataset : Military | disciplinar | y barracks | and jails | (106) | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,997 99.97 99.97 1 | 1 0.01 99.98 7 | 1 0.01 99.99 36 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 8 May 2017