Frequencies for first 10,000 rows of indi_drug_seq variable in indi2017q2 dataset :

       Drug |
   sequence |
 number for |
identifying |
 a drug for |
     a Case |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,008       20.08       20.08
          2 |      1,131       11.31       31.39
          3 |        908        9.08       40.47
          4 |        735        7.35       47.82
          5 |        651        6.51       54.33
          6 |        528        5.28       59.61
          7 |        469        4.69       64.30
          8 |        397        3.97       68.27
          9 |        346        3.46       71.73
         10 |        313        3.13       74.86
         11 |        268        2.68       77.54
         12 |        232        2.32       79.86
         13 |        196        1.96       81.82
         14 |        170        1.70       83.52
         15 |        153        1.53       85.05
         16 |        138        1.38       86.43
         17 |        119        1.19       87.62
         18 |        110        1.10       88.72
         19 |        101        1.01       89.73
         20 |         91        0.91       90.64
         21 |         79        0.79       91.43
         22 |         65        0.65       92.08
         23 |         63        0.63       92.71
         24 |         56        0.56       93.27
         25 |         53        0.53       93.80
         26 |         41        0.41       94.21
         27 |         41        0.41       94.62
         28 |         38        0.38       95.00
         29 |         36        0.36       95.36
         30 |         31        0.31       95.67
         31 |         31        0.31       95.98
         32 |         28        0.28       96.26
         33 |         27        0.27       96.53
         34 |         23        0.23       96.76
         35 |         19        0.19       96.95
         36 |         19        0.19       97.14
         37 |         22        0.22       97.36
         38 |         23        0.23       97.59
         39 |         20        0.20       97.79
         40 |         16        0.16       97.95
         41 |         14        0.14       98.09
         42 |         11        0.11       98.20
         43 |         14        0.14       98.34
         44 |         11        0.11       98.45
         45 |         13        0.13       98.58
         46 |         11        0.11       98.69
         47 |         11        0.11       98.80
         48 |         13        0.13       98.93
         49 |         11        0.11       99.04
         50 |          6        0.06       99.10
         51 |          4        0.04       99.14
         52 |          3        0.03       99.17
         53 |          4        0.04       99.21
         54 |          5        0.05       99.26
         55 |          5        0.05       99.31
         56 |          4        0.04       99.35
         57 |          3        0.03       99.38
         58 |          4        0.04       99.42
         59 |          5        0.05       99.47
         60 |          5        0.05       99.52
         61 |          4        0.04       99.56
         62 |          2        0.02       99.58
         63 |          2        0.02       99.60
         64 |          3        0.03       99.63
         65 |          2        0.02       99.65
         66 |          2        0.02       99.67
         67 |          2        0.02       99.69
         70 |          1        0.01       99.70
         71 |          1        0.01       99.71
         72 |          1        0.01       99.72
         75 |          1        0.01       99.73
         76 |          2        0.02       99.75
         79 |          1        0.01       99.76
         80 |          1        0.01       99.77
         81 |          1        0.01       99.78
         82 |          1        0.01       99.79
         83 |          1        0.01       99.80
         84 |          1        0.01       99.81
         85 |          1        0.01       99.82
         86 |          1        0.01       99.83
         87 |          1        0.01       99.84
         88 |          2        0.02       99.86
         89 |          2        0.02       99.88
         90 |          2        0.02       99.90
         91 |          1        0.01       99.91
         92 |          1        0.01       99.92
         93 |          1        0.01       99.93
         94 |          1        0.01       99.94
         95 |          1        0.01       99.95
         96 |          1        0.01       99.96
         98 |          2        0.02       99.98
         99 |          1        0.01       99.99
        100 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 Feb 2018