Frequencies for first 10,000 rows of drugid26 variable in namcs2014 dataset :

Drug ID for |
 medication |
        #26 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,982       99.82       99.82
     a10176 |          1        0.01       99.83
     d00022 |          2        0.02       99.85
     d00135 |          1        0.01       99.86
     d00142 |          1        0.01       99.87
     d00168 |          1        0.01       99.88
     d00325 |          1        0.01       99.89
     d00689 |          1        0.01       99.90
     d00735 |          1        0.01       99.91
     d00848 |          1        0.01       99.92
     d00851 |          1        0.01       99.93
     d00965 |          1        0.01       99.94
     d01003 |          1        0.01       99.95
     d01021 |          1        0.01       99.96
     d03128 |          1        0.01       99.97
     d03644 |          1        0.01       99.98
     d04242 |          1        0.01       99.99
     d04289 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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