Frequencies for first 10,000 rows of drug_seq variable in drug2013q4 dataset : Unique | number for | identifying | a drug for | a Case | Freq. Percent Cum. ------------+----------------------------------- 1 | 1,457 14.57 14.57 2 | 1,172 11.72 26.29 3 | 1,006 10.06 36.35 4 | 833 8.33 44.68 5 | 738 7.38 52.06 6 | 628 6.28 58.34 7 | 557 5.57 63.91 8 | 472 4.72 68.63 9 | 405 4.05 72.68 10 | 345 3.45 76.13 11 | 318 3.18 79.31 12 | 262 2.62 81.93 13 | 231 2.31 84.24 14 | 196 1.96 86.20 15 | 175 1.75 87.95 16 | 143 1.43 89.38 17 | 126 1.26 90.64 18 | 99 0.99 91.63 19 | 96 0.96 92.59 20 | 72 0.72 93.31 21 | 66 0.66 93.97 22 | 54 0.54 94.51 23 | 45 0.45 94.96 24 | 36 0.36 95.32 25 | 35 0.35 95.67 26 | 29 0.29 95.96 27 | 28 0.28 96.24 28 | 25 0.25 96.49 29 | 22 0.22 96.71 30 | 19 0.19 96.90 31 | 15 0.15 97.05 32 | 13 0.13 97.18 33 | 13 0.13 97.31 34 | 12 0.12 97.43 35 | 9 0.09 97.52 36 | 10 0.10 97.62 37 | 9 0.09 97.71 38 | 10 0.10 97.81 39 | 8 0.08 97.89 40 | 9 0.09 97.98 41 | 7 0.07 98.05 42 | 7 0.07 98.12 43 | 7 0.07 98.19 44 | 8 0.08 98.27 45 | 7 0.07 98.34 46 | 8 0.08 98.42 47 | 7 0.07 98.49 48 | 8 0.08 98.57 49 | 7 0.07 98.64 50 | 8 0.08 98.72 51 | 7 0.07 98.79 52 | 7 0.07 98.86 53 | 5 0.05 98.91 54 | 6 0.06 98.97 55 | 4 0.04 99.01 56 | 5 0.05 99.06 57 | 4 0.04 99.10 58 | 5 0.05 99.15 59 | 4 0.04 99.19 60 | 4 0.04 99.23 61 | 3 0.03 99.26 62 | 4 0.04 99.30 63 | 3 0.03 99.33 64 | 3 0.03 99.36 65 | 3 0.03 99.39 66 | 4 0.04 99.43 67 | 3 0.03 99.46 68 | 4 0.04 99.50 69 | 3 0.03 99.53 70 | 3 0.03 99.56 71 | 1 0.01 99.57 72 | 2 0.02 99.59 73 | 1 0.01 99.60 74 | 2 0.02 99.62 75 | 1 0.01 99.63 76 | 2 0.02 99.65 77 | 1 0.01 99.66 78 | 2 0.02 99.68 79 | 1 0.01 99.69 80 | 2 0.02 99.71 81 | 1 0.01 99.72 82 | 2 0.02 99.74 83 | 1 0.01 99.75 84 | 2 0.02 99.77 85 | 1 0.01 99.78 86 | 2 0.02 99.80 87 | 1 0.01 99.81 88 | 2 0.02 99.83 89 | 1 0.01 99.84 90 | 2 0.02 99.86 91 | 1 0.01 99.87 92 | 2 0.02 99.89 93 | 1 0.01 99.90 94 | 2 0.02 99.92 96 | 1 0.01 99.93 98 | 1 0.01 99.94 100 | 1 0.01 99.95 102 | 1 0.01 99.96 104 | 1 0.01 99.97 106 | 1 0.01 99.98 108 | 1 0.01 99.99 110 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 19 Apr 2017