About: http://webisa.webdatacommons.org/435982022

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	(here is a piece of information that may explain massively abrupt declines: thirty or forty years ago most shares were owned directly by individuals.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com