Frequencies for first 10,000 rows of drg6ing1 variable in nhamcsed2000 dataset :

 ingredient |
code #1 for |
    drug #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,976       99.76       99.76
      50005 |          5        0.05       99.81
      50145 |          4        0.04       99.85
      50260 |          2        0.02       99.87
      50420 |          1        0.01       99.88
      50450 |          1        0.01       99.89
      51055 |          1        0.01       99.90
      51219 |          1        0.01       99.91
      51675 |          2        0.02       99.93
      51910 |          1        0.01       99.94
      52075 |          1        0.01       99.95
      52490 |          1        0.01       99.96
      53780 |          3        0.03       99.99
      55835 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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