Frequencies for first 10,000 rows of comstat3 variable in namcs2001 dataset :

composition |
status code |
        for |
 medication |
         #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,468       14.68       14.68
          2 |        199        1.99       16.67
          3 |         47        0.47       17.14
          . |      8,286       82.86      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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