Frequencies for first 10,000 rows of drug_seq variable in drug2013q1 dataset : Unique | number for | identifying | a drug for | a Case | Freq. Percent Cum. ------------+----------------------------------- 1 | 1,553 15.53 15.53 2 | 1,250 12.50 28.03 3 | 1,016 10.16 38.19 4 | 820 8.20 46.39 5 | 702 7.02 53.41 6 | 583 5.83 59.24 7 | 507 5.07 64.31 8 | 432 4.32 68.63 9 | 376 3.76 72.39 10 | 311 3.11 75.50 11 | 270 2.70 78.20 12 | 226 2.26 80.46 13 | 201 2.01 82.47 14 | 169 1.69 84.16 15 | 150 1.50 85.66 16 | 128 1.28 86.94 17 | 115 1.15 88.09 18 | 97 0.97 89.06 19 | 93 0.93 89.99 20 | 78 0.78 90.77 21 | 73 0.73 91.50 22 | 57 0.57 92.07 23 | 53 0.53 92.60 24 | 45 0.45 93.05 25 | 44 0.44 93.49 26 | 35 0.35 93.84 27 | 35 0.35 94.19 28 | 28 0.28 94.47 29 | 30 0.30 94.77 30 | 25 0.25 95.02 31 | 26 0.26 95.28 32 | 22 0.22 95.50 33 | 22 0.22 95.72 34 | 18 0.18 95.90 35 | 20 0.20 96.10 36 | 16 0.16 96.26 37 | 19 0.19 96.45 38 | 15 0.15 96.60 39 | 18 0.18 96.78 40 | 14 0.14 96.92 41 | 14 0.14 97.06 42 | 12 0.12 97.18 43 | 13 0.13 97.31 44 | 11 0.11 97.42 45 | 13 0.13 97.55 46 | 10 0.10 97.65 47 | 12 0.12 97.77 48 | 8 0.08 97.85 49 | 11 0.11 97.96 50 | 8 0.08 98.04 51 | 10 0.10 98.14 52 | 7 0.07 98.21 53 | 9 0.09 98.30 54 | 6 0.06 98.36 55 | 8 0.08 98.44 56 | 5 0.05 98.49 57 | 7 0.07 98.56 58 | 4 0.04 98.60 59 | 5 0.05 98.65 60 | 1 0.01 98.66 61 | 4 0.04 98.70 62 | 2 0.02 98.72 63 | 4 0.04 98.76 64 | 1 0.01 98.77 65 | 4 0.04 98.81 66 | 1 0.01 98.82 67 | 4 0.04 98.86 69 | 3 0.03 98.89 71 | 3 0.03 98.92 73 | 3 0.03 98.95 75 | 3 0.03 98.98 77 | 3 0.03 99.01 78 | 1 0.01 99.02 79 | 2 0.02 99.04 80 | 1 0.01 99.05 81 | 1 0.01 99.06 82 | 1 0.01 99.07 83 | 1 0.01 99.08 84 | 1 0.01 99.09 85 | 1 0.01 99.10 86 | 1 0.01 99.11 87 | 1 0.01 99.12 88 | 1 0.01 99.13 89 | 1 0.01 99.14 90 | 1 0.01 99.15 91 | 1 0.01 99.16 92 | 1 0.01 99.17 93 | 1 0.01 99.18 94 | 1 0.01 99.19 95 | 1 0.01 99.20 96 | 1 0.01 99.21 97 | 1 0.01 99.22 98 | 1 0.01 99.23 99 | 1 0.01 99.24 100 | 1 0.01 99.25 101 | 1 0.01 99.26 102 | 1 0.01 99.27 103 | 1 0.01 99.28 104 | 1 0.01 99.29 105 | 1 0.01 99.30 106 | 1 0.01 99.31 107 | 1 0.01 99.32 108 | 1 0.01 99.33 109 | 1 0.01 99.34 110 | 1 0.01 99.35 111 | 1 0.01 99.36 112 | 1 0.01 99.37 113 | 1 0.01 99.38 114 | 1 0.01 99.39 115 | 1 0.01 99.40 116 | 1 0.01 99.41 117 | 1 0.01 99.42 118 | 1 0.01 99.43 119 | 1 0.01 99.44 120 | 1 0.01 99.45 121 | 1 0.01 99.46 122 | 1 0.01 99.47 123 | 1 0.01 99.48 124 | 1 0.01 99.49 125 | 1 0.01 99.50 126 | 1 0.01 99.51 127 | 1 0.01 99.52 128 | 1 0.01 99.53 129 | 1 0.01 99.54 130 | 1 0.01 99.55 131 | 1 0.01 99.56 132 | 1 0.01 99.57 133 | 1 0.01 99.58 134 | 1 0.01 99.59 135 | 1 0.01 99.60 136 | 1 0.01 99.61 137 | 1 0.01 99.62 138 | 1 0.01 99.63 139 | 1 0.01 99.64 140 | 1 0.01 99.65 141 | 1 0.01 99.66 142 | 1 0.01 99.67 143 | 1 0.01 99.68 144 | 1 0.01 99.69 145 | 1 0.01 99.70 146 | 1 0.01 99.71 147 | 1 0.01 99.72 148 | 1 0.01 99.73 149 | 1 0.01 99.74 150 | 1 0.01 99.75 151 | 1 0.01 99.76 152 | 1 0.01 99.77 153 | 1 0.01 99.78 154 | 1 0.01 99.79 155 | 1 0.01 99.80 156 | 1 0.01 99.81 157 | 1 0.01 99.82 158 | 1 0.01 99.83 159 | 1 0.01 99.84 161 | 1 0.01 99.85 163 | 1 0.01 99.86 165 | 1 0.01 99.87 167 | 1 0.01 99.88 169 | 1 0.01 99.89 171 | 1 0.01 99.90 173 | 1 0.01 99.91 175 | 1 0.01 99.92 177 | 1 0.01 99.93 179 | 1 0.01 99.94 181 | 1 0.01 99.95 183 | 1 0.01 99.96 185 | 1 0.01 99.97 187 | 1 0.01 99.98 189 | 1 0.01 99.99 191 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 19 Apr 2017