Frequencies for first 10,000 rows of comstat2 variable in namcs2004 dataset :

composition |
status code |
        for |
 medication |
         #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,805       28.05       28.05
          2 |        458        4.58       32.63
          3 |        138        1.38       34.01
          . |      6,599       65.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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