<http://webisa.webdatacommons.org/142316260>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/52657162>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/142316260> .
<http://webisa.webdatacommons.org/142316260>	<http://www.w3.org/ns/prov#value>	"vary by income level and other characteristics, and this variation may" .
<http://webisa.webdatacommons.org/142316260>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<gao.gov> .