Frequencies for first 10,000 rows of rx1v3c3 variable in namcs2012 dataset :

   For RX1, |
 level 3 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,943       99.43       99.43
        139 |          2        0.02       99.45
        185 |         15        0.15       99.60
        197 |         11        0.11       99.71
        203 |         26        0.26       99.97
        204 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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