The consumption of drugs in Europe Prevalence of the consumption of drugs throughout the course of the last year among young adults (15 to 34 years old) in % < 5,1 5,1 - 10 10,1 - 15 > 15 < 0,5 0,6 - 1 1,1 - 2,5 > 2,5 1,1 - 1,5 > 1,5 NC Source: the European Monitoring Centre for Drugs and Drug Addiction, most recent data