Frequencies for first 10,000 rows of comstat5 variable in nhamcsopd1996 dataset :

composition |
status code |
        for |
 medication |
         #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        680        6.80        6.80
          2 |         64        0.64        7.44
          3 |         31        0.31        7.75
          . |      9,225       92.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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