Frequencies for first 10,000 rows of drg1ing5 variable in namcs2004 dataset :

 ingredient |
code #5 for |
 medication |
         #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,930       99.30       99.30
      55348 |          4        0.04       99.34
      56185 |         37        0.37       99.71
      56192 |          7        0.07       99.78
      56193 |          2        0.02       99.80
      56585 |          1        0.01       99.81
      70120 |          2        0.02       99.83
      70141 |          1        0.01       99.84
      70362 |          1        0.01       99.85
      70458 |          1        0.01       99.86
      70709 |         12        0.12       99.98
      70855 |          1        0.01       99.99
      70965 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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