Frequencies for first 10,000 rows of comstat1 variable in namcs2000 dataset :

composition |
status code |
        for |
 medication |
         #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,211       52.11       52.11
          2 |      1,139       11.39       63.50
          3 |        332        3.32       66.82
          . |      3,318       33.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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