Frequencies for first 10,000 rows of drugid19 variable in namcs2014 dataset :

Drug ID for |
 medication |
        #19 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,899       98.99       98.99
     a11703 |          1        0.01       99.00
     a11730 |          1        0.01       99.01
     a52885 |          1        0.01       99.02
     a52968 |          1        0.01       99.03
     a53175 |          3        0.03       99.06
     a54655 |          1        0.01       99.07
     a56345 |          1        0.01       99.08
     c00012 |          1        0.01       99.09
     c00110 |          1        0.01       99.10
     d00021 |          3        0.03       99.13
     d00037 |          1        0.01       99.14
     d00045 |          1        0.01       99.15
     d00048 |          1        0.01       99.16
     d00070 |          1        0.01       99.17
     d00091 |          1        0.01       99.18
     d00134 |          1        0.01       99.19
     d00153 |          1        0.01       99.20
     d00168 |          1        0.01       99.21
     d00170 |          4        0.04       99.25
     d00182 |          1        0.01       99.26
     d00212 |          1        0.01       99.27
     d00236 |          1        0.01       99.28
     d00262 |          1        0.01       99.29
     d00265 |          1        0.01       99.30
     d00278 |          3        0.03       99.33
     d00293 |          1        0.01       99.34
     d00308 |          1        0.01       99.35
     d00325 |          2        0.02       99.37
     d00328 |          1        0.01       99.38
     d00373 |          1        0.01       99.39
     d00413 |          2        0.02       99.41
     d00426 |          1        0.01       99.42
     d00497 |          4        0.04       99.46
     d00512 |          1        0.01       99.47
     d00537 |          1        0.01       99.48
     d00562 |          1        0.01       99.49
     d00595 |          1        0.01       99.50
     d00620 |          1        0.01       99.51
     d00651 |          1        0.01       99.52
     d00653 |          1        0.01       99.53
     d00749 |          2        0.02       99.55
     d00797 |          1        0.01       99.56
     d00848 |          1        0.01       99.57
     d00910 |          3        0.03       99.60
     d00963 |          1        0.01       99.61
     d01353 |          1        0.01       99.62
     d03050 |          1        0.01       99.63
     d03128 |          1        0.01       99.64
     d03129 |          1        0.01       99.65
     d03140 |          2        0.02       99.67
     d03181 |          1        0.01       99.68
     d03206 |          1        0.01       99.69
     d03266 |          1        0.01       99.70
     d03400 |          1        0.01       99.71
     d03428 |          2        0.02       99.73
     d03506 |          1        0.01       99.74
     d03827 |          1        0.01       99.75
     d04057 |          2        0.02       99.77
     d04066 |          2        0.02       99.79
     d04113 |          1        0.01       99.80
     d04145 |          1        0.01       99.81
     d04215 |          1        0.01       99.82
     d04242 |          1        0.01       99.83
     d04258 |          1        0.01       99.84
     d04261 |          1        0.01       99.85
     d04283 |          1        0.01       99.86
     d04286 |          1        0.01       99.87
     d04363 |          1        0.01       99.88
     d04365 |          1        0.01       99.89
     d04461 |          1        0.01       99.90
     d04611 |          1        0.01       99.91
     d04708 |          1        0.01       99.92
     d04749 |          1        0.01       99.93
     d05350 |          1        0.01       99.94
     d05355 |          1        0.01       99.95
     d05436 |          1        0.01       99.96
     d05508 |          1        0.01       99.97
     d06848 |          1        0.01       99.98
     d07440 |          1        0.01       99.99
     d08086 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017