Frequencies for first 10,000 rows of exp_dt_mult variable in drug2017q2 dataset :

   Multiple |
 Expiration |
      Dates |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 Feb 2018