Frequencies for first 10,000 rows of comstat5 variable in nhamcsopd2000 dataset :

composition |
status code |
        for |
 medication |
         #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        823        8.23        8.23
          2 |         79        0.79        9.02
          3 |         28        0.28        9.30
          . |      9,070       90.70      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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