Frequencies for first 10,000 rows of comstat3 variable in namcs2003 dataset :

composition |
status code |
        for |
 medication |
         #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,951       19.51       19.51
          2 |        244        2.44       21.95
          3 |         91        0.91       22.86
          . |      7,714       77.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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