About: http://webisa.webdatacommons.org/76950529

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	I reviewed this here, where about halfway down the page is a chart showing that the prevalence of early sex in the developed world appears not to have budged.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com