Frequencies for first 10,000 rows of rx3v1c3 variable in nhamcsed2014 dataset :

   For RX3, |
 level 1 of |
MULTUM drug |
category #3 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,864       98.64       98.64
        040 |          7        0.07       98.71
        057 |        122        1.22       99.93
        097 |          1        0.01       99.94
        113 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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