This is either quite simple or quite difficult, but I'm at a loss to figure out which!
I have a simple table with 4 fields. A simple example with sample data:
FIELD1,FIELD2, FIELD3, FIELD4
Brazil, Dog, Fido, 12 years
Brazil, Cat, Boots, 3 years
Brazil, Cat, Socks, 5 years
Canada, Cat, Boots...