Frequencies for first 10,000 rows of rx3v3c3 variable in namcs2010 dataset :

   for rx3, |
 level 3 of |
multum drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,969       99.69       99.69
        185 |          5        0.05       99.74
        197 |         10        0.10       99.84
        203 |         16        0.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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