Frequencies for first 10,000 rows of comstat5 variable in nhamcsed1993 dataset :

composition |
status code |
for drug #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        320        3.20        3.20
          2 |         34        0.34        3.54
          3 |         25        0.25        3.79
          . |      9,621       96.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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