About: http://webisa.webdatacommons.org/171932827

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	The one I saw was based on government data that was about 5yrs apart and didn't mention anything other than the helmet law and the figures (posted by those evil velocimaniacs).
http://www.w3.org/ns/prov#wasQuotedFrom	singletrackworld.com