in addition , the results of the survey showed that in the last 12 months before the survey 79.1 per cent of the respondents had used alcoholic beverages , 41.8 per cent tobacco , 2.9 per cent inhalants , 19.2 per cent cannabis , 10.4 per cent amphetamines and amphetamine-type substances , 2.1 per cent cocaine , 1.7 per cent hallucinogens , 5.4 per cent tranquillizers , 2.5 per cent sedatives , 2.1 per cent opium , 1.3 per cent heroin and 8.8 per cent other opiates .
C0002667
amphetamines
C0002658
amphetamine