Notes

LYP – prevalence of drug use for the last year reported; LTP – lifetime prevalence of drug use; 1YrP – approximate one-year prevalence rate for problem drug use (PDU).

See the explanatory notes for further information on the structure of the diagram and on the data sources.

Specific notes:

For Spain: ecstasy includes other designer drug.

Ecstasy: includes other synthetic drugs. LSD & other hallucinogens: includes poppers/amyl nitrate.

Other estimates for the same year:

A further estimate of schools cannabis prevalence for the same year is 35 per 100 pupils.

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