About: http://webisa.webdatacommons.org/231995394

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	However, there is a substantial drop in the percentage of individuals who were age 18 or 19 when first meeting the threshold.
http://www.w3.org/ns/prov#wasQuotedFrom	ssa.gov