Frequencies for first 10,000 rows of drug_seq variable in drug2017q4 dataset : Unique | number for | identifying | a drug for | a Case | Freq. Percent Cum. ------------+----------------------------------- 1 | 1,427 14.27 14.27 2 | 1,218 12.18 26.45 3 | 1,010 10.10 36.55 4 | 852 8.52 45.07 5 | 690 6.90 51.97 6 | 580 5.80 57.77 7 | 489 4.89 62.66 8 | 418 4.18 66.84 9 | 374 3.74 70.58 10 | 321 3.21 73.79 11 | 269 2.69 76.48 12 | 241 2.41 78.89 13 | 207 2.07 80.96 14 | 184 1.84 82.80 15 | 159 1.59 84.39 16 | 137 1.37 85.76 17 | 120 1.20 86.96 18 | 109 1.09 88.05 19 | 94 0.94 88.99 20 | 89 0.89 89.88 21 | 78 0.78 90.66 22 | 71 0.71 91.37 23 | 61 0.61 91.98 24 | 59 0.59 92.57 25 | 57 0.57 93.14 26 | 53 0.53 93.67 27 | 51 0.51 94.18 28 | 47 0.47 94.65 29 | 46 0.46 95.11 30 | 42 0.42 95.53 31 | 41 0.41 95.94 32 | 37 0.37 96.31 33 | 32 0.32 96.63 34 | 25 0.25 96.88 35 | 23 0.23 97.11 36 | 21 0.21 97.32 37 | 19 0.19 97.51 38 | 19 0.19 97.70 39 | 19 0.19 97.89 40 | 19 0.19 98.08 41 | 16 0.16 98.24 42 | 16 0.16 98.40 43 | 16 0.16 98.56 44 | 13 0.13 98.69 45 | 11 0.11 98.80 46 | 9 0.09 98.89 47 | 9 0.09 98.98 48 | 8 0.08 99.06 49 | 7 0.07 99.13 50 | 6 0.06 99.19 51 | 6 0.06 99.25 52 | 4 0.04 99.29 53 | 4 0.04 99.33 54 | 4 0.04 99.37 55 | 3 0.03 99.40 56 | 3 0.03 99.43 57 | 3 0.03 99.46 58 | 2 0.02 99.48 59 | 2 0.02 99.50 60 | 2 0.02 99.52 61 | 2 0.02 99.54 62 | 2 0.02 99.56 63 | 1 0.01 99.57 64 | 1 0.01 99.58 65 | 1 0.01 99.59 66 | 1 0.01 99.60 67 | 1 0.01 99.61 68 | 1 0.01 99.62 69 | 1 0.01 99.63 70 | 1 0.01 99.64 71 | 1 0.01 99.65 72 | 1 0.01 99.66 73 | 1 0.01 99.67 74 | 1 0.01 99.68 75 | 1 0.01 99.69 76 | 1 0.01 99.70 77 | 1 0.01 99.71 78 | 1 0.01 99.72 79 | 1 0.01 99.73 80 | 1 0.01 99.74 81 | 1 0.01 99.75 82 | 1 0.01 99.76 83 | 1 0.01 99.77 84 | 1 0.01 99.78 85 | 1 0.01 99.79 86 | 1 0.01 99.80 87 | 1 0.01 99.81 88 | 1 0.01 99.82 89 | 1 0.01 99.83 90 | 1 0.01 99.84 91 | 1 0.01 99.85 92 | 1 0.01 99.86 93 | 1 0.01 99.87 94 | 1 0.01 99.88 95 | 1 0.01 99.89 96 | 1 0.01 99.90 97 | 1 0.01 99.91 98 | 1 0.01 99.92 99 | 1 0.01 99.93 100 | 1 0.01 99.94 101 | 1 0.01 99.95 102 | 1 0.01 99.96 103 | 1 0.01 99.97 104 | 1 0.01 99.98 105 | 1 0.01 99.99 106 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 19 Jun 2018