Frequencies for first 10,000 rows of indi_drug_seq variable in indi2018q2 dataset :

       Drug |
   sequence |
 number for |
identifying |
 a drug for |
     a Case |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,036       20.36       20.36
          2 |      1,098       10.98       31.34
          3 |        950        9.50       40.84
          4 |        800        8.00       48.84
          5 |        700        7.00       55.84
          6 |        608        6.08       61.92
          7 |        505        5.05       66.97
          8 |        453        4.53       71.50
          9 |        391        3.91       75.41
         10 |        334        3.34       78.75
         11 |        279        2.79       81.54
         12 |        241        2.41       83.95
         13 |        205        2.05       86.00
         14 |        164        1.64       87.64
         15 |        158        1.58       89.22
         16 |        132        1.32       90.54
         17 |        118        1.18       91.72
         18 |         97        0.97       92.69
         19 |         81        0.81       93.50
         20 |         68        0.68       94.18
         21 |         59        0.59       94.77
         22 |         54        0.54       95.31
         23 |         47        0.47       95.78
         24 |         35        0.35       96.13
         25 |         31        0.31       96.44
         26 |         31        0.31       96.75
         27 |         32        0.32       97.07
         28 |         24        0.24       97.31
         29 |         25        0.25       97.56
         30 |         18        0.18       97.74
         31 |         18        0.18       97.92
         32 |         16        0.16       98.08
         33 |         12        0.12       98.20
         34 |         11        0.11       98.31
         35 |         11        0.11       98.42
         36 |          7        0.07       98.49
         37 |          6        0.06       98.55
         38 |          6        0.06       98.61
         39 |          5        0.05       98.66
         40 |          4        0.04       98.70
         41 |          5        0.05       98.75
         42 |          4        0.04       98.79
         43 |          3        0.03       98.82
         44 |          4        0.04       98.86
         45 |          4        0.04       98.90
         46 |          3        0.03       98.93
         47 |          3        0.03       98.96
         48 |          3        0.03       98.99
         49 |          2        0.02       99.01
         50 |          2        0.02       99.03
         51 |          2        0.02       99.05
         52 |          3        0.03       99.08
         53 |          2        0.02       99.10
         54 |          4        0.04       99.14
         55 |          5        0.05       99.19
         56 |          4        0.04       99.23
         57 |          3        0.03       99.26
         58 |          6        0.06       99.32
         59 |          5        0.05       99.37
         60 |          4        0.04       99.41
         61 |          5        0.05       99.46
         62 |          4        0.04       99.50
         63 |          5        0.05       99.55
         64 |          2        0.02       99.57
         65 |          3        0.03       99.60
         66 |          2        0.02       99.62
         67 |          2        0.02       99.64
         68 |          2        0.02       99.66
         69 |          2        0.02       99.68
         70 |          2        0.02       99.70
         71 |          1        0.01       99.71
         72 |          1        0.01       99.72
         73 |          1        0.01       99.73
         74 |          2        0.02       99.75
         75 |          1        0.01       99.76
         76 |          1        0.01       99.77
         77 |          2        0.02       99.79
         78 |          1        0.01       99.80
         79 |          2        0.02       99.82
         80 |          1        0.01       99.83
         81 |          1        0.01       99.84
         99 |          1        0.01       99.85
        105 |          1        0.01       99.86
        106 |          1        0.01       99.87
        107 |          1        0.01       99.88
        115 |          1        0.01       99.89
        122 |          1        0.01       99.90
        123 |          1        0.01       99.91
        125 |          1        0.01       99.92
        126 |          1        0.01       99.93
        129 |          1        0.01       99.94
        130 |          1        0.01       99.95
        131 |          1        0.01       99.96
        132 |          1        0.01       99.97
        133 |          1        0.01       99.98
        134 |          1        0.01       99.99
        135 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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