Assertion: truffle | /r/CapableOf | expand its production year
Facets:
value: on year
type: TEMPORAL
Source sentences:
text: The Truffle & Wine Co. has expanded its production year on year and is now the single largest producer of black truffles (Tuber melanosporum) in the world (Ref http://truffleandwine.com.au/the-farm.html).