Frequencies for first 10,000 rows of comstat3 variable in namcs2004 dataset :

composition |
status code |
        for |
 medication |
         #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,782       17.82       17.82
          2 |        210        2.10       19.92
          3 |         65        0.65       20.57
          . |      7,943       79.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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