Frequencies for first 10,000 rows of prov0670 variable in pos2001 dataset : meets 1861 | definition | Freq. Percent Cum. ------------+----------------------------------- | 9,968 99.68 99.68 Y | 32 0.32 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016