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 Risk: % saying Availability: great risk of Marijuanal % saying Marijuana 10 harm in Cocaine easy to get Cocaine regular use 3 75 76 77 '78 79 '80 '81 '82 '83 '84 '85 '86 87 '88 '89
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