Frequencies for first 10,000 rows of vlntr_cnt variable in pos2012 dataset : Volunteers | - Total | Freq. Percent Cum. ------------+----------------------------------- 0 | 217 2.17 2.17 .01 | 1 0.01 2.18 .02 | 2 0.02 2.20 .04 | 1 0.01 2.21 .07 | 1 0.01 2.22 .1 | 2 0.02 2.24 .14 | 1 0.01 2.25 .15 | 1 0.01 2.26 .2 | 3 0.03 2.29 .23 | 1 0.01 2.30 .25 | 8 0.08 2.38 .3 | 2 0.02 2.40 .4 | 1 0.01 2.41 .43 | 1 0.01 2.42 .5 | 19 0.19 2.61 .6 | 2 0.02 2.63 .75 | 7 0.07 2.70 .76 | 1 0.01 2.71 .8 | 1 0.01 2.72 .9 | 2 0.02 2.74 1 | 50 0.50 3.24 1.1 | 1 0.01 3.25 1.19 | 1 0.01 3.26 1.25 | 4 0.04 3.30 1.3 | 3 0.03 3.33 1.5 | 4 0.04 3.37 1.75 | 2 0.02 3.39 1.9 | 1 0.01 3.40 1.91 | 1 0.01 3.41 2 | 28 0.28 3.69 2.11 | 1 0.01 3.70 2.15 | 1 0.01 3.71 2.2 | 2 0.02 3.73 2.3 | 1 0.01 3.74 2.4 | 1 0.01 3.75 2.5 | 3 0.03 3.78 2.6 | 1 0.01 3.79 2.75 | 1 0.01 3.80 2.98 | 1 0.01 3.81 3 | 27 0.27 4.08 3.25 | 1 0.01 4.09 4 | 20 0.20 4.29 4.3 | 1 0.01 4.30 4.5 | 3 0.03 4.33 4.75 | 1 0.01 4.34 5 | 17 0.17 4.51 5.75 | 1 0.01 4.52 5.8 | 1 0.01 4.53 6 | 13 0.13 4.66 6.05 | 1 0.01 4.67 6.25 | 1 0.01 4.68 6.5 | 1 0.01 4.69 7 | 7 0.07 4.76 7.5 | 1 0.01 4.77 7.75 | 1 0.01 4.78 7.8 | 1 0.01 4.79 8 | 10 0.10 4.89 8.5 | 1 0.01 4.90 9 | 5 0.05 4.95 10 | 11 0.11 5.06 10.25 | 2 0.02 5.08 11 | 5 0.05 5.13 11.2 | 1 0.01 5.14 11.35 | 1 0.01 5.15 12 | 5 0.05 5.20 13 | 5 0.05 5.25 13.5 | 1 0.01 5.26 13.6 | 1 0.01 5.27 14 | 4 0.04 5.31 15 | 10 0.10 5.41 16 | 6 0.06 5.47 16.51 | 1 0.01 5.48 17 | 5 0.05 5.53 17.25 | 1 0.01 5.54 18 | 6 0.06 5.60 19 | 2 0.02 5.62 20 | 5 0.05 5.67 21 | 5 0.05 5.72 22 | 2 0.02 5.74 23 | 3 0.03 5.77 24 | 4 0.04 5.81 25 | 4 0.04 5.85 26 | 4 0.04 5.89 27 | 3 0.03 5.92 28 | 3 0.03 5.95 30 | 4 0.04 5.99 30.5 | 1 0.01 6.00 32 | 2 0.02 6.02 34 | 3 0.03 6.05 35 | 3 0.03 6.08 36 | 1 0.01 6.09 37 | 1 0.01 6.10 37.1 | 1 0.01 6.11 38 | 5 0.05 6.16 39 | 1 0.01 6.17 40 | 1 0.01 6.18 42 | 2 0.02 6.20 43 | 1 0.01 6.21 44 | 2 0.02 6.23 48 | 1 0.01 6.24 48.5 | 1 0.01 6.25 49 | 2 0.02 6.27 53 | 1 0.01 6.28 60 | 2 0.02 6.30 65 | 1 0.01 6.31 67 | 2 0.02 6.33 68 | 2 0.02 6.35 69 | 2 0.02 6.37 70 | 2 0.02 6.39 71 | 1 0.01 6.40 72 | 2 0.02 6.42 75 | 1 0.01 6.43 76 | 2 0.02 6.45 90 | 1 0.01 6.46 94 | 1 0.01 6.47 97 | 1 0.01 6.48 101 | 1 0.01 6.49 102 | 1 0.01 6.50 105.25 | 1 0.01 6.51 107 | 1 0.01 6.52 112 | 1 0.01 6.53 114 | 1 0.01 6.54 125 | 1 0.01 6.55 150 | 1 0.01 6.56 207.25 | 1 0.01 6.57 216 | 1 0.01 6.58 229 | 1 0.01 6.59 288 | 1 0.01 6.60 307 | 1 0.01 6.61 351 | 1 0.01 6.62 381.8 | 1 0.01 6.63 398 | 1 0.01 6.64 500 | 1 0.01 6.65 506 | 1 0.01 6.66 819 | 1 0.01 6.67 . | 9,333 93.33 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016