Frequencies for first 10,000 rows of drg4ing3 variable in namcs2002 dataset :

 Ingredient |
code #3 for |
 medication |
         #4 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,983       99.83       99.83
      50745 |          3        0.03       99.86
      52908 |          2        0.02       99.88
      54465 |          1        0.01       99.89
      55105 |          1        0.01       99.90
      55213 |          1        0.01       99.91
      55710 |          1        0.01       99.92
      55755 |          1        0.01       99.93
      70256 |          2        0.02       99.95
      70259 |          1        0.01       99.96
      70493 |          2        0.02       99.98
      70626 |          1        0.01       99.99
      70667 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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