Frequencies for first 10,000 rows of drg6ing1 variable in nhamcsed2001 dataset :

 ingredient |
code #1 for |
    drug #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,980       99.80       99.80
      50005 |          8        0.08       99.88
      50145 |          1        0.01       99.89
      50899 |          1        0.01       99.90
      51340 |          1        0.01       99.91
      52075 |          1        0.01       99.92
      52447 |          1        0.01       99.93
      52720 |          1        0.01       99.94
      52883 |          1        0.01       99.95
      53780 |          3        0.03       99.98
      53895 |          1        0.01       99.99
      55555 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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