Frequencies for first 10,000 rows of drg5ing3 variable in namcs2003 dataset :

 ingredient |
code #3 for |
 medication |
         #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,989       99.89       99.89
      50745 |          1        0.01       99.90
      52908 |          2        0.02       99.92
      54305 |          1        0.01       99.93
      55105 |          1        0.01       99.94
      56195 |          1        0.01       99.95
      56198 |          1        0.01       99.96
      56340 |          1        0.01       99.97
      70036 |          1        0.01       99.98
      70259 |          1        0.01       99.99
      70514 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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