Frequencies for first 10,000 rows of rx5v1c3 variable in nhamcsed2014 dataset :

   For RX5, |
 level 1 of |
MULTUM drug |
category #3 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,953       99.53       99.53
        040 |          1        0.01       99.54
        057 |         43        0.43       99.97
        113 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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