About: http://webisa.webdatacommons.org/11256685

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	Given that social security is a regressive tax (given the annual cap) I would expect that would also have significant impact on the 2nd graph if were broken into icome quintiles.
http://www.w3.org/ns/prov#wasQuotedFrom	mymoneyblog.com