Frequencies for first 10,000 rows of rx2v3c3 variable in namcs2008 dataset :

   for rx2, |
 level 3 of |
multum drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,940       99.40       99.40
        185 |          2        0.02       99.42
        197 |         18        0.18       99.60
        203 |         38        0.38       99.98
        204 |          1        0.01       99.99
        265 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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