Frequencies for first 10,000 rows of drg6ing2 variable in nhamcsed2001 dataset :

 ingredient |
code #2 for |
    drug #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,983       99.83       99.83
      51340 |          1        0.01       99.84
      52650 |          5        0.05       99.89
      53050 |          1        0.01       99.90
      53175 |          1        0.01       99.91
      53280 |          1        0.01       99.92
      54094 |          2        0.02       99.94
      54395 |          1        0.01       99.95
      54860 |          1        0.01       99.96
      55997 |          1        0.01       99.97
      57192 |          1        0.01       99.98
      70011 |          1        0.01       99.99
      70359 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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