PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, in countries such as Kuwait, Qatar and United Arab Emirates, per capita GDP has declined over the past 30 years - for example, from US$36 413 in 1975 to US$12 950 by 1998 in Qatar.
http://www.w3.org/ns/prov#wasQuotedFrom
  • unep.org