Assertion: cocaine's use | /r/CapableOf | increase among eighth graders
Facets:
value: to its highest levels since 1991
type: OTHER
Source sentences:
text: The 1998 Monitoring the Future Survey, which annually surveys teen attitudes and recent drug use, reports that lifetime and past-year use of crack increased among eighth graders to its highest levels since 1991, the first year data were available for this grade.