Frequencies for first 10,000 rows of comstat2 variable in namcs1993 dataset :

composition |
status code |
        for |
 medication |
         #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,772       27.72       27.72
          2 |        670        6.70       34.42
          3 |        186        1.86       36.28
          . |      6,372       63.72      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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