Frequencies for first 10,000 rows of comstat6 variable in nhamcsopd1996 dataset :

composition |
status code |
        for |
 medication |
         #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        421        4.21        4.21
          2 |         37        0.37        4.58
          3 |         21        0.21        4.79
          . |      9,521       95.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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