Frequencies for first 10,000 rows of drg5ing3 variable in namcs1999 dataset :

 ingredient |
code #3 for |
 medication |
         #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,986       99.86       99.86
      50745 |          2        0.02       99.88
      51130 |          1        0.01       99.89
      52908 |          1        0.01       99.90
      53175 |          1        0.01       99.91
      54395 |          1        0.01       99.92
      54455 |          1        0.01       99.93
      54960 |          1        0.01       99.94
      55140 |          1        0.01       99.95
      56340 |          1        0.01       99.96
      59803 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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