About: http://webisa.webdatacommons.org/357073967

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	All rates of illicit drug use by seniors decline substantially between 1979 and 1992, from just under 40 percent for all types of drugs to about 15 percent.
http://www.w3.org/ns/prov#wasQuotedFrom	nap.edu