Frequencies for first 10,000 rows of age variable in demo2011q4 dataset : Numeric | value of | patient's | age at | event | Freq. Percent Cum. ------------+----------------------------------- -4 | 1 0.01 0.01 -1 | 27 0.27 0.28 0 | 32 0.32 0.60 1 | 12 0.12 0.72 2 | 5 0.05 0.77 3 | 21 0.21 0.98 4 | 8 0.08 1.06 5 | 15 0.15 1.21 6 | 20 0.20 1.41 7 | 21 0.21 1.62 8 | 13 0.13 1.75 9 | 14 0.14 1.89 10 | 15 0.15 2.04 11 | 9 0.09 2.13 12 | 18 0.18 2.31 13 | 24 0.24 2.55 14 | 25 0.25 2.80 15 | 34 0.34 3.14 15.7 | 1 0.01 3.15 16 | 39 0.39 3.54 17 | 29 0.29 3.83 17.1 | 1 0.01 3.84 17.9 | 1 0.01 3.85 18 | 55 0.55 4.40 19 | 44 0.44 4.84 20 | 43 0.43 5.27 21 | 38 0.38 5.65 22 | 55 0.55 6.20 23 | 65 0.65 6.85 24 | 63 0.63 7.48 25 | 60 0.60 8.08 26 | 56 0.56 8.64 27 | 59 0.59 9.23 28 | 57 0.57 9.80 29 | 75 0.75 10.55 30 | 76 0.76 11.31 31 | 84 0.84 12.15 32 | 77 0.77 12.92 33 | 89 0.89 13.81 34 | 79 0.79 14.60 35 | 69 0.69 15.29 36 | 69 0.69 15.98 37 | 77 0.77 16.75 38 | 63 0.63 17.38 39 | 85 0.85 18.23 40 | 96 0.96 19.19 41 | 93 0.93 20.12 42 | 75 0.75 20.87 43 | 100 1.00 21.87 44 | 92 0.92 22.79 45 | 82 0.82 23.61 46 | 125 1.25 24.86 47 | 115 1.15 26.01 48 | 157 1.57 27.58 49 | 119 1.19 28.77 50 | 138 1.38 30.15 51 | 108 1.08 31.23 52 | 134 1.34 32.57 53 | 145 1.45 34.02 54 | 138 1.38 35.40 55 | 143 1.43 36.83 56 | 145 1.45 38.28 57 | 128 1.28 39.56 58 | 138 1.38 40.94 59 | 153 1.53 42.47 60 | 158 1.58 44.05 61 | 139 1.39 45.44 62 | 110 1.10 46.54 63 | 155 1.55 48.09 64 | 135 1.35 49.44 65 | 114 1.14 50.58 66 | 128 1.28 51.86 67 | 99 0.99 52.85 68 | 136 1.36 54.21 69 | 133 1.33 55.54 70 | 114 1.14 56.68 71 | 110 1.10 57.78 72 | 118 1.18 58.96 73 | 110 1.10 60.06 74 | 127 1.27 61.33 75 | 96 0.96 62.29 76 | 86 0.86 63.15 77 | 93 0.93 64.08 78 | 84 0.84 64.92 79 | 76 0.76 65.68 80 | 75 0.75 66.43 81 | 86 0.86 67.29 82 | 72 0.72 68.01 83 | 64 0.64 68.65 84 | 61 0.61 69.26 85 | 57 0.57 69.83 86 | 49 0.49 70.32 87 | 36 0.36 70.68 88 | 39 0.39 71.07 89 | 22 0.22 71.29 90 | 27 0.27 71.56 91 | 19 0.19 71.75 92 | 14 0.14 71.89 93 | 9 0.09 71.98 94 | 5 0.05 72.03 95 | 4 0.04 72.07 96 | 4 0.04 72.11 97 | 2 0.02 72.13 594 | 1 0.01 72.14 723 | 1 0.01 72.15 922 | 1 0.01 72.16 988 | 1 0.01 72.17 15998 | 1 0.01 72.18 18514 | 1 0.01 72.19 18973 | 1 0.01 72.20 19034 | 1 0.01 72.21 20806 | 1 0.01 72.22 23860 | 1 0.01 72.23 25090 | 1 0.01 72.24 . | 2,776 27.76 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Dec 2015