Frequencies for first 10,000 rows of prov0990 variable in pos2004 dataset : mental | health | services - | part time | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,967 99.67 99.67 .01 | 2 0.02 99.69 .02 | 1 0.01 99.70 .03 | 1 0.01 99.71 .06 | 2 0.02 99.73 .07 | 2 0.02 99.75 .11 | 1 0.01 99.76 .14 | 1 0.01 99.77 .17 | 1 0.01 99.78 .23 | 3 0.03 99.81 .29 | 2 0.02 99.83 .34 | 1 0.01 99.84 .43 | 1 0.01 99.85 .45 | 1 0.01 99.86 .46 | 1 0.01 99.87 .49 | 1 0.01 99.88 .57 | 2 0.02 99.90 .69 | 1 0.01 99.91 .86 | 3 0.03 99.94 1.03 | 1 0.01 99.95 1.24 | 1 0.01 99.96 1.74 | 1 0.01 99.97 3.93 | 1 0.01 99.98 5.87 | 1 0.01 99.99 11.43 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016