Frequencies for first 10,000 rows of rx5v1c3 variable in nhamcsopd2011 dataset :

   For RX5, |
 level 1 of |
MULTUM drug |
category #3 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,974       99.74       99.74
        040 |          2        0.02       99.76
        057 |         22        0.22       99.98
        097 |          1        0.01       99.99
        105 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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