Frequencies for first 10,000 rows of drg6ing1 variable in nhamcsed1999 dataset :

 ingredient |
code #1 for |
    drug #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,964       99.64       99.64
      50005 |         15        0.15       99.79
      50145 |          2        0.02       99.81
      50260 |          1        0.01       99.82
      50420 |          2        0.02       99.84
      51219 |          1        0.01       99.85
      51675 |          1        0.01       99.86
      52490 |          2        0.02       99.88
      52630 |          1        0.01       99.89
      52645 |          3        0.03       99.92
      53335 |          1        0.01       99.93
      54523 |          1        0.01       99.94
      54655 |          1        0.01       99.95
      55555 |          4        0.04       99.99
      80004 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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