Frequencies for first 10,000 rows of prov5235 variable in pos1996 dataset : ther rec | spec - part | time | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,965 99.65 99.65 .04 | 1 0.01 99.66 .16 | 1 0.01 99.67 .17 | 1 0.01 99.68 .23 | 1 0.01 99.69 .29 | 4 0.04 99.73 .3 | 1 0.01 99.74 .31 | 1 0.01 99.75 .4 | 1 0.01 99.76 .43 | 1 0.01 99.77 .46 | 1 0.01 99.78 .47 | 2 0.02 99.80 .5 | 1 0.01 99.81 .57 | 7 0.07 99.88 .69 | 1 0.01 99.89 .74 | 1 0.01 99.90 .86 | 1 0.01 99.91 1.14 | 2 0.02 99.93 1.37 | 1 0.01 99.94 1.43 | 1 0.01 99.95 1.6 | 1 0.01 99.96 1.71 | 1 0.01 99.97 1.83 | 1 0.01 99.98 20 | 1 0.01 99.99 91.43 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016