Frequencies for first 10,000 rows of comstat1 variable in namcs1995 dataset :

composition |
status code |
        for |
 medication |
         #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,918       59.18       59.18
          2 |        983        9.83       69.01
          3 |        387        3.87       72.88
          . |      2,712       27.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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