Frequencies for first 10,000 rows of drug_seq variable in drug2015q4 dataset : Unique | number for | identifying | a drug for | a Case | Freq. Percent Cum. ------------+----------------------------------- 1 | 1,580 15.80 15.80 2 | 1,299 12.99 28.79 3 | 1,095 10.95 39.74 4 | 888 8.88 48.62 5 | 732 7.32 55.94 6 | 587 5.87 61.81 7 | 497 4.97 66.78 8 | 424 4.24 71.02 9 | 355 3.55 74.57 10 | 298 2.98 77.55 11 | 267 2.67 80.22 12 | 225 2.25 82.47 13 | 196 1.96 84.43 14 | 163 1.63 86.06 15 | 135 1.35 87.41 16 | 122 1.22 88.63 17 | 108 1.08 89.71 18 | 101 1.01 90.72 19 | 87 0.87 91.59 20 | 79 0.79 92.38 21 | 74 0.74 93.12 22 | 69 0.69 93.81 23 | 57 0.57 94.38 24 | 53 0.53 94.91 25 | 46 0.46 95.37 26 | 41 0.41 95.78 27 | 36 0.36 96.14 28 | 32 0.32 96.46 29 | 28 0.28 96.74 30 | 25 0.25 96.99 31 | 22 0.22 97.21 32 | 20 0.20 97.41 33 | 18 0.18 97.59 34 | 18 0.18 97.77 35 | 16 0.16 97.93 36 | 14 0.14 98.07 37 | 12 0.12 98.19 38 | 11 0.11 98.30 39 | 11 0.11 98.41 40 | 10 0.10 98.51 41 | 9 0.09 98.60 42 | 9 0.09 98.69 43 | 9 0.09 98.78 44 | 8 0.08 98.86 45 | 6 0.06 98.92 46 | 6 0.06 98.98 47 | 6 0.06 99.04 48 | 5 0.05 99.09 49 | 5 0.05 99.14 50 | 5 0.05 99.19 51 | 4 0.04 99.23 52 | 4 0.04 99.27 53 | 4 0.04 99.31 54 | 4 0.04 99.35 55 | 4 0.04 99.39 56 | 3 0.03 99.42 57 | 3 0.03 99.45 58 | 3 0.03 99.48 59 | 3 0.03 99.51 60 | 3 0.03 99.54 61 | 3 0.03 99.57 62 | 3 0.03 99.60 63 | 2 0.02 99.62 64 | 2 0.02 99.64 65 | 2 0.02 99.66 66 | 2 0.02 99.68 67 | 2 0.02 99.70 68 | 2 0.02 99.72 69 | 2 0.02 99.74 70 | 2 0.02 99.76 71 | 2 0.02 99.78 72 | 2 0.02 99.80 73 | 2 0.02 99.82 74 | 2 0.02 99.84 75 | 2 0.02 99.86 76 | 2 0.02 99.88 77 | 2 0.02 99.90 78 | 1 0.01 99.91 79 | 1 0.01 99.92 80 | 1 0.01 99.93 81 | 1 0.01 99.94 82 | 1 0.01 99.95 83 | 1 0.01 99.96 84 | 1 0.01 99.97 85 | 1 0.01 99.98 86 | 1 0.01 99.99 87 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 6 Apr 2017