About: http://webisa.webdatacommons.org/340145476

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	You have a rising wave of about 15 to 25 years, then there is a plateau and downward again for 15 to 25 years.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com