Frequencies for first 10,000 rows of comstat1 variable in namcs2001 dataset :

composition |
status code |
        for |
 medication |
         #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,749       47.49       47.49
          2 |        838        8.38       55.87
          3 |        240        2.40       58.27
          . |      4,173       41.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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