Frequencies for first 10,000 rows of comstat5 variable in namcs1997 dataset :

composition |
status code |
        for |
 medication |
         #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        895        8.95        8.95
          2 |         68        0.68        9.63
          3 |         10        0.10        9.73
          . |      9,027       90.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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