Frequencies for first 10,000 rows of comstat6 variable in namcs2000 dataset :

composition |
status code |
        for |
 medication |
         #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        358        3.58        3.58
          2 |         45        0.45        4.03
          3 |         17        0.17        4.20
          . |      9,580       95.80      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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