Frequencies for first 10,000 rows of pct0210006 variable in sf12010880us19 dataset : Federal | detention | centers | (101) | Freq. Percent Cum. ------------+----------------------------------- 0 | 10,000 100.00 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 8 May 2017