Frequencies for first 10,000 rows of prov0970 variable in pos1991 dataset : medical | director - | part time | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,926 99.26 99.26 .01 | 3 0.03 99.29 .02 | 1 0.01 99.30 .03 | 2 0.02 99.32 .04 | 1 0.01 99.33 .05 | 1 0.01 99.34 .06 | 2 0.02 99.36 .07 | 1 0.01 99.37 .08 | 1 0.01 99.38 .09 | 1 0.01 99.39 .11 | 3 0.03 99.42 .15 | 1 0.01 99.43 .17 | 1 0.01 99.44 .2 | 1 0.01 99.45 .21 | 1 0.01 99.46 .22 | 1 0.01 99.47 .23 | 1 0.01 99.48 .25 | 16 0.16 99.64 .5 | 5 0.05 99.69 .57 | 3 0.03 99.72 .7 | 1 0.01 99.73 .75 | 5 0.05 99.78 .91 | 1 0.01 99.79 1 | 12 0.12 99.91 1.25 | 2 0.02 99.93 2 | 1 0.01 99.94 2.2 | 1 0.01 99.95 6 | 1 0.01 99.96 8 | 1 0.01 99.97 23 | 1 0.01 99.98 40 | 1 0.01 99.99 80 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016