Frequencies for first 10,000 rows of report_datestr variable in psfltc dataset : Report Date | Freq. Percent Cum. ------------+----------------------------------- 20130628 | 38 0.38 0.38 20180629 | 9,962 99.62 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 24 Sep 2018