Frequencies for first 10,000 rows of comstat19 variable in namcs2015 dataset :

Composition |
status code |
        for |
 medication |
        #19 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         60        0.60        0.60
          2 |          6        0.06        0.66
          3 |          3        0.03        0.69
          . |      9,931       99.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017