About: http://webisa.webdatacommons.org/6037229

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	On the other hand, coal and gas have grown to such a point as to overshadow the other sources and, instead, have increased their percentage: from 54% in 1997 to 62% in 2007.
http://www.w3.org/ns/prov#wasQuotedFrom	issuu.com