Frequencies for producttype variable in enfrep20150610 dataset :

    Product |
       Type |      Freq.     Percent        Cum.
------------+-----------------------------------
  Biologics |         15       15.46       15.46
    Devices |         18       18.56       34.02
      Drugs |          5        5.15       39.18
       Food |         48       49.48       88.66
 Veterinary |         11       11.34      100.00
------------+-----------------------------------
      Total |         97      100.00

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