Frequencies for first 10,000 rows of comstat5 variable in nhamcsed1996 dataset :

composition |
status code |
for drug #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        406        4.06        4.06
          2 |         56        0.56        4.62
          3 |         26        0.26        4.88
          . |      9,512       95.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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