Frequencies for first 10,000 rows of drg6ing2 variable in nhamcsed2000 dataset :

 ingredient |
code #2 for |
    drug #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,979       99.79       99.79
      51250 |          1        0.01       99.80
      52650 |          4        0.04       99.84
      52720 |          1        0.01       99.85
      52743 |          1        0.01       99.86
      53175 |          4        0.04       99.90
      53280 |          1        0.01       99.91
      54094 |          1        0.01       99.92
      54455 |          1        0.01       99.93
      54595 |          1        0.01       99.94
      55315 |          1        0.01       99.95
      55710 |          1        0.01       99.96
      56210 |          1        0.01       99.97
      57033 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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