About: http://webisa.webdatacommons.org/231369404

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	We believe that this observation is a result of the overall decrease in smoking in the United States since the 1960s.
http://www.w3.org/ns/prov#wasQuotedFrom	cdc.gov