Frequencies for first 10,000 rows of pct017c069 variable in sf12000860us34 dataset : Mental | (Psychiatri | c) | hospitals | or wards | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,996 99.96 99.96 1 | 3 0.03 99.99 6 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017