Frequencies for first 10,000 rows of rx9v3c3 variable in nhamcsed2014 dataset :

   For RX9, |
 level 3 of |
MULTUM drug |
category #3 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,989       99.89       99.89
        197 |          4        0.04       99.93
        203 |          6        0.06       99.99
        204 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017