Frequencies for first 10,000 rows of prov0795 variable in pos2001 dataset : dentists - | part time | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,992 99.92 99.92 .01 | 1 0.01 99.93 .03 | 1 0.01 99.94 .04 | 1 0.01 99.95 .11 | 1 0.01 99.96 .23 | 2 0.02 99.98 .46 | 1 0.01 99.99 1.43 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016