Frequencies for first 10,000 rows of prov2995 variable in pos1992 dataset : md other - | direct | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,992 99.92 99.92 .2 | 1 0.01 99.93 .5 | 3 0.03 99.96 .66 | 1 0.01 99.97 1 | 2 0.02 99.99 6 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017