Frequencies for first 10,000 rows of dsg_drug_seq variable in ther2012q4 dataset :

       Drug |
   sequence |
 number for |
identifying |
 a drug for |
     a Case |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,373       23.73       23.73
          2 |      1,384       13.84       37.57
          3 |      1,019       10.19       47.76
          4 |        743        7.43       55.19
          5 |        626        6.26       61.45
          6 |        525        5.25       66.70
          7 |        432        4.32       71.02
          8 |        346        3.46       74.48
          9 |        304        3.04       77.52
         10 |        260        2.60       80.12
         11 |        222        2.22       82.34
         12 |        190        1.90       84.24
         13 |        171        1.71       85.95
         14 |        143        1.43       87.38
         15 |        114        1.14       88.52
         16 |         99        0.99       89.51
         17 |         97        0.97       90.48
         18 |         88        0.88       91.36
         19 |         78        0.78       92.14
         20 |         69        0.69       92.83
         21 |         62        0.62       93.45
         22 |         52        0.52       93.97
         23 |         45        0.45       94.42
         24 |         41        0.41       94.83
         25 |         39        0.39       95.22
         26 |         38        0.38       95.60
         27 |         34        0.34       95.94
         28 |         36        0.36       96.30
         29 |         30        0.30       96.60
         30 |         23        0.23       96.83
         31 |         21        0.21       97.04
         32 |         23        0.23       97.27
         33 |         18        0.18       97.45
         34 |         20        0.20       97.65
         35 |         17        0.17       97.82
         36 |         15        0.15       97.97
         37 |         18        0.18       98.15
         38 |         17        0.17       98.32
         39 |         17        0.17       98.49
         40 |         12        0.12       98.61
         41 |         11        0.11       98.72
         42 |         10        0.10       98.82
         43 |         10        0.10       98.92
         44 |         12        0.12       99.04
         45 |         11        0.11       99.15
         46 |          8        0.08       99.23
         47 |          7        0.07       99.30
         48 |          6        0.06       99.36
         49 |          4        0.04       99.40
         50 |          4        0.04       99.44
         51 |          4        0.04       99.48
         52 |          4        0.04       99.52
         53 |          4        0.04       99.56
         54 |          5        0.05       99.61
         55 |          4        0.04       99.65
         56 |          4        0.04       99.69
         57 |          3        0.03       99.72
         58 |          2        0.02       99.74
         59 |          3        0.03       99.77
         60 |          3        0.03       99.80
         61 |          3        0.03       99.83
         62 |          2        0.02       99.85
         63 |          2        0.02       99.87
         64 |          2        0.02       99.89
         65 |          2        0.02       99.91
         66 |          2        0.02       99.93
         67 |          2        0.02       99.95
         68 |          2        0.02       99.97
         69 |          2        0.02       99.99
         70 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Apr 2017