Frequencies for first 10,000 rows of comstat6 variable in namcs1998 dataset :

composition |
status code |
        for |
 medication |
         #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        312        3.12        3.12
          2 |         33        0.33        3.45
          3 |         11        0.11        3.56
          . |      9,644       96.44      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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