Frequencies for first 10,000 rows of arated variable in ful20182 dataset :

'A Rated' - |
Pharmaceuti |
  cally and |
therapeutic |
       ally |
 equivalent |
       to a |
  reference |
       drug |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |         55        0.55        0.55
        Yes |      9,945       99.45      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 1 Mar 2018