Frequencies for first 10,000 rows of prov0670 variable in pos1993 dataset : meets 1861 | definition | Freq. Percent Cum. ------------+----------------------------------- | 9,963 99.63 99.63 Y | 37 0.37 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016