Frequencies for first 10,000 rows of rx3v1c3 variable in namcs2011 dataset :

   For RX3, |
 level 1 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,941       99.41       99.41
        040 |         10        0.10       99.51
        057 |         44        0.44       99.95
        105 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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