Frequencies for first 10,000 rows of comstat8 variable in namcs2004 dataset :

composition |
status code |
        for |
 medication |
         #8 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        295        2.95        2.95
          2 |         40        0.40        3.35
          3 |         10        0.10        3.45
          . |      9,655       96.55      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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