Frequencies for first 10,000 rows of comstat6 variable in namcs1997 dataset :

composition |
status code |
        for |
 medication |
         #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        517        5.17        5.17
          2 |         48        0.48        5.65
          3 |          4        0.04        5.69
          . |      9,431       94.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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