Frequencies for first 10,000 rows of comstat21 variable in nhamcsed2015 dataset

Composition status |
          code for |
    medication #21 |      Freq.     Percent        Cum.
-------------------+-----------------------------------
Single entity drug |         21        0.21        0.21
  Combination drug |          3        0.03        0.24
      Undetermined |          1        0.01        0.25
                 . |      9,975       99.75      100.00
-------------------+-----------------------------------
             Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017