<http://webisa.webdatacommons.org/prov/33706221>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/421073786> .
<http://webisa.webdatacommons.org/421073786>	<http://www.w3.org/ns/prov#value>	"In 1962 (the most recent year for which data are available) only 10 to 15 percent of the total medical costs of the aged,for example, was paid for by insurance." .
<http://webisa.webdatacommons.org/421073786>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/421073786>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ssa.gov> .