Frequencies for first 10,000 rows of arated variable in ful20166 dataset :

'A Rated' - |
Pharmaceuti |
  cally and |
therapeutic |
       ally |
 equivalent |
       to a |
  reference |
       drug |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |        125        1.25        1.25
        Yes |      9,875       98.75      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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