Frequencies for first 10,000 rows of drug_seq variable in drug2018q4 dataset : Unique | number for | identifying | a drug for | a Case | Freq. Percent Cum. ------------+----------------------------------- 1 | 1,547 15.47 15.47 2 | 1,257 12.57 28.04 3 | 1,037 10.37 38.41 4 | 874 8.74 47.15 5 | 754 7.54 54.69 6 | 630 6.30 60.99 7 | 535 5.35 66.34 8 | 452 4.52 70.86 9 | 377 3.77 74.63 10 | 319 3.19 77.82 11 | 276 2.76 80.58 12 | 245 2.45 83.03 13 | 200 2.00 85.03 14 | 169 1.69 86.72 15 | 137 1.37 88.09 16 | 122 1.22 89.31 17 | 106 1.06 90.37 18 | 93 0.93 91.30 19 | 80 0.80 92.10 20 | 73 0.73 92.83 21 | 58 0.58 93.41 22 | 52 0.52 93.93 23 | 47 0.47 94.40 24 | 43 0.43 94.83 25 | 38 0.38 95.21 26 | 34 0.34 95.55 27 | 30 0.30 95.85 28 | 28 0.28 96.13 29 | 26 0.26 96.39 30 | 25 0.25 96.64 31 | 23 0.23 96.87 32 | 23 0.23 97.10 33 | 22 0.22 97.32 34 | 21 0.21 97.53 35 | 19 0.19 97.72 36 | 16 0.16 97.88 37 | 15 0.15 98.03 38 | 15 0.15 98.18 39 | 15 0.15 98.33 40 | 14 0.14 98.47 41 | 12 0.12 98.59 42 | 8 0.08 98.67 43 | 8 0.08 98.75 44 | 7 0.07 98.82 45 | 7 0.07 98.89 46 | 6 0.06 98.95 47 | 6 0.06 99.01 48 | 6 0.06 99.07 49 | 6 0.06 99.13 50 | 5 0.05 99.18 51 | 5 0.05 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 | 4 0.04 99.43 57 | 4 0.04 99.47 58 | 4 0.04 99.51 59 | 4 0.04 99.55 60 | 4 0.04 99.59 61 | 4 0.04 99.63 62 | 4 0.04 99.67 63 | 4 0.04 99.71 64 | 3 0.03 99.74 65 | 3 0.03 99.77 66 | 3 0.03 99.80 67 | 3 0.03 99.83 68 | 2 0.02 99.85 69 | 2 0.02 99.87 70 | 2 0.02 99.89 71 | 2 0.02 99.91 72 | 1 0.01 99.92 73 | 1 0.01 99.93 74 | 1 0.01 99.94 75 | 1 0.01 99.95 76 | 1 0.01 99.96 77 | 1 0.01 99.97 78 | 1 0.01 99.98 79 | 1 0.01 99.99 80 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 7 Mar 2019