Frequencies for first 10,000 rows of pct017c070 variable in sf12000860us34 dataset : Juvenile | institution | s | Freq. Percent Cum. ------------+----------------------------------- 0 | 10,000 100.00 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017