About: http://webisa.webdatacommons.org/4746101

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	During 1967, the most violent year of the Red Guard period, national industrial output dropped by 14.9 per cent, although the damage was mostly concentrated in the cities and affected agriculture far less.
http://www.w3.org/ns/prov#wasQuotedFrom	history.ac.uk