Frequencies for first 10,000 rows of rx3v3c3 variable in namcs2015 dataset :

   For RX3, |
 level 3 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,959       99.59       99.59
        185 |          3        0.03       99.62
        197 |         16        0.16       99.78
        203 |         22        0.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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