Frequencies for first 10,000 rows of val_vbm variable in drug2014q2 dataset :

   Code for |
  source of |
   DRUGNAME |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,536       95.36       95.36
          2 |        464        4.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Apr 2017