Frequencies for first 10,000 rows of pct0210007 variable in sf12010860us19 dataset : Federal | prisons | (102) | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,998 99.98 99.98 1 | 1 0.01 99.99 2 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017