Frequencies for first 10,000 rows of prov3550 variable in pos2004 dataset : current | survey ever | swingbed | Freq. Percent Cum. ------------+----------------------------------- | 8,766 87.66 87.66 N | 1,025 10.25 97.91 Y | 209 2.09 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016