Frequencies for first 10,000 rows of comstat6 variable in namcs1995 dataset :

composition |
status code |
        for |
 medication |
         #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        389        3.89        3.89
          2 |         35        0.35        4.24
          3 |          4        0.04        4.28
          . |      9,572       95.72      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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