Frequencies for first 10,000 rows of comstat1 variable in namcs2004 dataset :

composition |
status code |
        for |
 medication |
         #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,743       47.43       47.43
          2 |        902        9.02       56.45
          3 |        188        1.88       58.33
          . |      4,167       41.67      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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