About: http://webisa.webdatacommons.org/449127464

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I agree with most of your points, but want to add that since wine is an agricultural product, the size of the vintage has had a lot to do with the supply drop.
http://www.w3.org/ns/prov#wasQuotedFrom	steveheimoff.com