Frequencies for first 10,000 rows of rx3v3c3 variable in nhamcsed2012 dataset :

   For RX3, |
 level 3 of |
MULTUM drug |
category #3 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,918       99.18       99.18
        185 |          3        0.03       99.21
        197 |         45        0.45       99.66
        203 |         32        0.32       99.98
        204 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016