Frequencies for first 10,000 rows of comstat1 variable in namcs1996 dataset :

composition |
status code |
        for |
 medication |
         #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      8,211       82.11       82.11
          2 |      1,316       13.16       95.27
          3 |        453        4.53       99.80
          . |         20        0.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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