Frequencies for first 10,000 rows of rx1v3c3 variable in nhamcsed2015 dataset :

   For RX1, |
 level 3 of |
MULTUM drug |
category #3 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,782       97.82       97.82
        185 |          3        0.03       97.85
        197 |        115        1.15       99.00
        203 |         96        0.96       99.96
        204 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017