Frequencies for producttype variable in enfrep20130529 dataset :

    Product |
       Type |      Freq.     Percent        Cum.
------------+-----------------------------------
  Biologics |         57       30.00       30.00
    Devices |         35       18.42       48.42
      Drugs |         34       17.89       66.32
       Food |         36       18.95       85.26
 Veterinary |         28       14.74      100.00
------------+-----------------------------------
      Total |        190      100.00

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