Frequencies for first 10,000 rows of comstat4 variable in namcs2003 dataset :

composition |
status code |
        for |
 medication |
         #4 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,320       13.20       13.20
          2 |        147        1.47       14.67
          3 |         53        0.53       15.20
          . |      8,480       84.80      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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