Frequencies for first 10,000 rows of rx9v3c3 variable in namcs2015 dataset :

   For RX9, |
 level 3 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,990       99.90       99.90
        197 |          6        0.06       99.96
        203 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017