Frequencies for first 10,000 rows of rx1v1c3 variable in nhamcsed2010 dataset :

   For RX1, |
 level 1 of |
MULTUM drug |
category #3 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,716       97.16       97.16
        040 |         27        0.27       97.43
        057 |        253        2.53       99.96
        097 |          1        0.01       99.97
        105 |          2        0.02       99.99
        331 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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