Frequencies for first 10,000 rows of rx3v3c3 variable in nhamcsed2014 dataset :

   For RX3, |
 level 3 of |
MULTUM drug |
category #3 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,877       98.77       98.77
        185 |          1        0.01       98.78
        197 |         71        0.71       99.49
        203 |         48        0.48       99.97
        204 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017