Frequencies for first 10,000 rows of comstat6 variable in namcs1999 dataset :

composition |
status code |
        for |
 medication |
         #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        388        3.88        3.88
          2 |         37        0.37        4.25
          3 |         15        0.15        4.40
          . |      9,560       95.60      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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