About: http://webisa.webdatacommons.org/156017603

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	Others, including the Parliamentary Budget Officer, put it at 30 years: that???s the number KPMG used.
http://www.w3.org/ns/prov#wasQuotedFrom	defense-aerospace.com