Frequencies for first 10,000 rows of comstat5 variable in nhamcsed2002 dataset :

composition |
status code |
for drug #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        562        5.62        5.62
          2 |         60        0.60        6.22
          3 |         34        0.34        6.56
          . |      9,344       93.44      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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