Frequencies for first 10,000 rows of drug_seq variable in drug2018q2 dataset : Unique | number for | identifying | a drug for | a Case | Freq. Percent Cum. ------------+----------------------------------- 1 | 1,406 14.06 14.06 2 | 1,217 12.17 26.23 3 | 1,030 10.30 36.53 4 | 868 8.68 45.21 5 | 738 7.38 52.59 6 | 638 6.38 58.97 7 | 528 5.28 64.25 8 | 451 4.51 68.76 9 | 380 3.80 72.56 10 | 338 3.38 75.94 11 | 286 2.86 78.80 12 | 242 2.42 81.22 13 | 205 2.05 83.27 14 | 182 1.82 85.09 15 | 167 1.67 86.76 16 | 144 1.44 88.20 17 | 120 1.20 89.40 18 | 104 1.04 90.44 19 | 90 0.90 91.34 20 | 84 0.84 92.18 21 | 71 0.71 92.89 22 | 58 0.58 93.47 23 | 54 0.54 94.01 24 | 47 0.47 94.48 25 | 43 0.43 94.91 26 | 39 0.39 95.30 27 | 35 0.35 95.65 28 | 28 0.28 95.93 29 | 25 0.25 96.18 30 | 21 0.21 96.39 31 | 20 0.20 96.59 32 | 17 0.17 96.76 33 | 17 0.17 96.93 34 | 15 0.15 97.08 35 | 14 0.14 97.22 36 | 11 0.11 97.33 37 | 11 0.11 97.44 38 | 9 0.09 97.53 39 | 9 0.09 97.62 40 | 9 0.09 97.71 41 | 8 0.08 97.79 42 | 8 0.08 97.87 43 | 8 0.08 97.95 44 | 7 0.07 98.02 45 | 7 0.07 98.09 46 | 6 0.06 98.15 47 | 5 0.05 98.20 48 | 5 0.05 98.25 49 | 5 0.05 98.30 50 | 5 0.05 98.35 51 | 5 0.05 98.40 52 | 5 0.05 98.45 53 | 5 0.05 98.50 54 | 5 0.05 98.55 55 | 5 0.05 98.60 56 | 5 0.05 98.65 57 | 5 0.05 98.70 58 | 5 0.05 98.75 59 | 5 0.05 98.80 60 | 5 0.05 98.85 61 | 5 0.05 98.90 62 | 5 0.05 98.95 63 | 4 0.04 98.99 64 | 3 0.03 99.02 65 | 3 0.03 99.05 66 | 3 0.03 99.08 67 | 3 0.03 99.11 68 | 3 0.03 99.14 69 | 3 0.03 99.17 70 | 3 0.03 99.20 71 | 3 0.03 99.23 72 | 3 0.03 99.26 73 | 3 0.03 99.29 74 | 3 0.03 99.32 75 | 2 0.02 99.34 76 | 2 0.02 99.36 77 | 2 0.02 99.38 78 | 2 0.02 99.40 79 | 2 0.02 99.42 80 | 2 0.02 99.44 81 | 2 0.02 99.46 82 | 1 0.01 99.47 83 | 1 0.01 99.48 84 | 1 0.01 99.49 85 | 1 0.01 99.50 86 | 1 0.01 99.51 87 | 1 0.01 99.52 88 | 1 0.01 99.53 89 | 1 0.01 99.54 90 | 1 0.01 99.55 91 | 1 0.01 99.56 92 | 1 0.01 99.57 93 | 1 0.01 99.58 94 | 1 0.01 99.59 95 | 1 0.01 99.60 96 | 1 0.01 99.61 97 | 1 0.01 99.62 98 | 1 0.01 99.63 99 | 1 0.01 99.64 100 | 1 0.01 99.65 101 | 1 0.01 99.66 102 | 1 0.01 99.67 103 | 1 0.01 99.68 104 | 1 0.01 99.69 105 | 1 0.01 99.70 106 | 1 0.01 99.71 107 | 1 0.01 99.72 108 | 1 0.01 99.73 109 | 1 0.01 99.74 110 | 1 0.01 99.75 111 | 1 0.01 99.76 112 | 1 0.01 99.77 113 | 1 0.01 99.78 114 | 1 0.01 99.79 115 | 1 0.01 99.80 116 | 1 0.01 99.81 117 | 1 0.01 99.82 118 | 1 0.01 99.83 119 | 1 0.01 99.84 120 | 1 0.01 99.85 121 | 1 0.01 99.86 122 | 1 0.01 99.87 123 | 1 0.01 99.88 124 | 1 0.01 99.89 125 | 1 0.01 99.90 126 | 1 0.01 99.91 127 | 1 0.01 99.92 128 | 1 0.01 99.93 129 | 1 0.01 99.94 130 | 1 0.01 99.95 131 | 1 0.01 99.96 132 | 1 0.01 99.97 133 | 1 0.01 99.98 134 | 1 0.01 99.99 135 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 8 Sep 2018