Frequencies for first 10,000 rows of rx1v3c3 variable in namcs2010 dataset :

   for rx1, |
 level 3 of |
multum drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,938       99.38       99.38
        185 |         11        0.11       99.49
        197 |         24        0.24       99.73
        203 |         26        0.26       99.99
        204 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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