Frequencies for first 10,000 rows of rx5v3c3 variable in namcs2012 dataset :

   For RX5, |
 level 3 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,982       99.82       99.82
        185 |          2        0.02       99.84
        197 |          6        0.06       99.90
        203 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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