Assertion: amphetamine's use | /r/CapableOf | approach 2%
Facets:
value: for mph
type: PURPOSE
value: in 2013
type: TEMPORAL
Source sentences:
text: According to the Monitoring the Future Survey of adolescent drug abuse, the use of study drugs, including Adderall and Ritalin, among 12 th graders declined from 2003 to 2009, but has since begun to rise again—approaching nearly 9% for amphetamine and 2% for MPH in 2013 .