Frequencies for first 10,000 rows of drg3ing5 variable in namcs2005 dataset :

 ingredient |
code #5 for |
 medication |
         #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,983       99.83       99.83
      55348 |          1        0.01       99.84
      55755 |          1        0.01       99.85
      56185 |         11        0.11       99.96
      56192 |          1        0.01       99.97
      56193 |          1        0.01       99.98
      56195 |          1        0.01       99.99
      70709 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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