Frequencies for producttype variable in enfrep20140507 dataset :

    Product |
       Type |      Freq.     Percent        Cum.
------------+-----------------------------------
  Biologics |         20       16.67       16.67
    Devices |         27       22.50       39.17
      Drugs |         43       35.83       75.00
       Food |         29       24.17       99.17
 Veterinary |          1        0.83      100.00
------------+-----------------------------------
      Total |        120      100.00

by Jean Roth , jroth@nber.org , 18 Dec 2015