About: http://webisa.webdatacommons.org/402443672

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	In the past year, drug use among 10th graders of substances other than marijuana declined significantly, from 18.2 percent to 15.9 percent, but among 12th graders the decline in the use of marijuana has slowed.
http://www.w3.org/ns/prov#wasQuotedFrom	healthday.com