Frequencies for first 10,000 rows of prov0965 variable in pos1991 dataset : medical | director - | full time | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,884 98.84 98.84 .01 | 8 0.08 98.92 .03 | 4 0.04 98.96 .04 | 2 0.02 98.98 .1 | 1 0.01 98.99 .11 | 2 0.02 99.01 .14 | 1 0.01 99.02 .22 | 1 0.01 99.03 .25 | 28 0.28 99.31 .28 | 1 0.01 99.32 .3 | 1 0.01 99.33 .49 | 1 0.01 99.34 .5 | 4 0.04 99.38 .75 | 2 0.02 99.40 .8 | 1 0.01 99.41 1 | 45 0.45 99.86 1.1 | 1 0.01 99.87 1.14 | 1 0.01 99.88 1.25 | 3 0.03 99.91 3.25 | 1 0.01 99.92 4 | 2 0.02 99.94 6 | 1 0.01 99.95 8 | 2 0.02 99.97 8.25 | 1 0.01 99.98 10 | 1 0.01 99.99 16 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016