Frequencies for first 10,000 rows of cam variable in nhamcsopd2007 dataset :

complementa |
         ry |
alternative |
   medicine |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      9,939       99.39       99.39
        yes |         61        0.61      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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