Frequencies for first 10,000 rows of rx3v3c3 variable in nhamcsed2011 dataset :

   For RX3, |
 level 3 of |
MULTUM drug |
category #3 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,906       99.06       99.06
        185 |          1        0.01       99.07
        197 |         51        0.51       99.58
        203 |         38        0.38       99.96
        204 |          3        0.03       99.99
        374 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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