ocr: DRUG TRENDS Source: National Institute on Drug Abuse, Monitoring the Future Study, 1989 Trends in Perceived avallabllity and Perceived Risk of Regular Use 100 90 80 70 60 50 40 30 20 10 harm Risk: great regular in % risk use saying of Cocaine Marijuanal % easy saying to Availability: get Cocaine Marijuana 3 75 76 77 '78 79 '80 '81 '82 '83 '84 '85 '86 87 '88 '89
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