Frequencies for first 10,000 rows of drg5ing3 variable in namcs1996 dataset :

 ingredient |
code #3 for |
 medication |
         #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,983       99.83       99.83
      50745 |          3        0.03       99.86
      53175 |          1        0.01       99.87
      53325 |          1        0.01       99.88
      53530 |          1        0.01       99.89
      54330 |          1        0.01       99.90
      54395 |          1        0.01       99.91
      54455 |          1        0.01       99.92
      54595 |          1        0.01       99.93
      54700 |          1        0.01       99.94
      55105 |          4        0.04       99.98
      55240 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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