About: http://webisa.webdatacommons.org/91557477

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	Of course there is no such thing as an 'average' or 'aggregate price' in the first place.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com