Frequencies for first 10,000 rows of drg1ing5 variable in namcs2002 dataset :

 Ingredient |
code #5 for |
 medication |
         #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,965       99.65       99.65
      55348 |          2        0.02       99.67
      55520 |          1        0.01       99.68
      56185 |         24        0.24       99.92
      56193 |          1        0.01       99.93
      70120 |          2        0.02       99.95
      70124 |          2        0.02       99.97
      70388 |          1        0.01       99.98
      70449 |          1        0.01       99.99
      70458 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016