About: http://webisa.webdatacommons.org/451294839

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	One obvious answer is that automation and other technological advances enable each worker to produce more.
http://www.w3.org/ns/prov#wasQuotedFrom	columbiamissourian.com