About: http://webisa.webdatacommons.org/22072752

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	This might show a clear peak, rather than a plateau (I realise the some liquids are used for other than fuel, but this would be an interesting chart).
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com