Frequencies for first 10,000 rows of drg6ing2 variable in namcs2003 dataset :

 ingredient |
code #2 for |
 medication |
         #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,955       99.55       99.55
      50728 |          1        0.01       99.56
      51242 |          1        0.01       99.57
      51860 |          1        0.01       99.58
      53050 |          1        0.01       99.59
      53175 |          1        0.01       99.60
      53915 |          1        0.01       99.61
      54922 |          1        0.01       99.62
      55925 |          5        0.05       99.67
      56194 |          2        0.02       99.69
      56195 |          1        0.01       99.70
      57130 |          3        0.03       99.73
      59710 |          1        0.01       99.74
      70005 |          1        0.01       99.75
      70013 |          1        0.01       99.76
      70027 |          2        0.02       99.78
      70035 |          1        0.01       99.79
      70150 |          3        0.03       99.82
      70217 |          5        0.05       99.87
      70226 |          1        0.01       99.88
      70262 |          1        0.01       99.89
      70341 |          1        0.01       99.90
      70356 |          1        0.01       99.91
      70359 |          4        0.04       99.95
      70403 |          1        0.01       99.96
      70555 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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