Frequencies for first 10,000 rows of prov0030 variable in pos1995 dataset : admission | suspension | date | Freq. Percent Cum. ------------+----------------------------------- | 9,993 99.93 99.93 931014 | 1 0.01 99.94 940706 | 1 0.01 99.95 941114 | 1 0.01 99.96 941221 | 1 0.01 99.97 950107 | 1 0.01 99.98 950728 | 1 0.01 99.99 950823 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016