Frequencies for first 10,000 rows of enddate variable in pspp2012_90 dataset : Date Range | Ending | Freq. Percent Cum. ------------+----------------------------------- 01apr2013 | 10,000 100.00 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 12 Feb 2018