Frequencies for first 10,000 rows of sbunit_sw variable in pos2017 dataset : Subunit | Indicator | Freq. Percent Cum. ------------+----------------------------------- | 9,003 90.03 90.03 N | 859 8.59 98.62 Y | 138 1.38 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 9 Jan 2018