About: http://webisa.webdatacommons.org/135322118

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	The answer is a mixture of data availability and politics.
http://www.w3.org/ns/prov#wasQuotedFrom	harvardpublichealthreview.org