Frequencies for first 10,000 rows of comstat2 variable in namcs2001 dataset :

composition |
status code |
        for |
 medication |
         #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,647       26.47       26.47
          2 |        396        3.96       30.43
          3 |        113        1.13       31.56
          . |      6,844       68.44      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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