Frequencies for first 10,000 rows of comstat5 variable in nhamcsed1992 dataset :

Composition |
status code |
for drug #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        201        2.01        2.01
          2 |         22        0.22        2.23
          3 |         18        0.18        2.41
          . |      9,759       97.59      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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