Frequencies for first 10,000 rows of rx9cat3 variable in namcs2012 dataset :

   For RX9, |
MULTUM drug |
category #3 |
 - detailed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,990       99.90       99.90
        197 |          3        0.03       99.93
        203 |          2        0.02       99.95
        265 |          2        0.02       99.97
        270 |          2        0.02       99.99
        433 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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