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Table DLO-3. Drug types in reports for drug law offences [see all tables in this series...]

Part (ii) Methodological notes

CountriesMethods of percentages calculation and other notes
BelgiumBased on number of mentions of all drugs, whether alone or with other drugs (in the same offence).
BulgariaBased on number of mentions of all drugs, whether alone or with other drugs (in the same offence).
Czech RepublicBased on number of offences with mentions of drugs considered as main drugs.
GermanyBased on number of offences with mentions of drugs considered as main drugs.
Among all offences broken down by drug (for some offences, a breakdown by drug is not available).
IrelandBased on number of offences with mentions of drugs considered as main drugs.
GreeceBased on number of mentions of all drugs, whether alone or with other drugs (in the same offence).
SpainBased on number of mentions of all drugs, whether alone or with other drugs (in the same offence).
FranceBased on number of offences with mentions of drugs considered as main drugs.
ItalyBased on number of mentions of all drugs, whether alone or with other drugs (in the same offence).
Data are calculated on the total excluding the number of persons for whom the substance is unknown.
CyprusBased on number of offences with mentions of drugs considered as main drugs.
Among all offences broken down by drug (for some offences, a breakdown by drug is not available).
LithuaniaBased on number of mentions of all drugs, whether alone or with other drugs (in the same offence).
Among all offences broken down by drug (for some offences, a breakdown by drug is not available).
Poppy products and plants (except the seeds), methadone, buprenorphine, relanium, clonazepam, lorazepaman, tramadol. are included in the category "other".
LuxembourgBased on number of mentions of all drugs, whether alone or with other drugs (in the same offence).
Calculated on arrests for presumed offences against the 1973 drug law.
MaltaBased on number of offences with mentions of drugs considered as main drugs.
NetherlandsThe reported proportion represents offences for one drug alone - e.g. offences for cannabis do not include offences for cannabis plus other drug(s).
Heroin, cocaine, amphetamine, ecstasy, LSD and other illicit drugs are included in the category "other".
AustriaBased on number of mentions of all drugs, whether alone or with other drugs (in the same offence).
Morphine and derivates, raw opiates and other substances and also precursors are included in the category ‘other’.
PolandBased on number of offences with mentions of drugs considered as main drugs.
PortugalAmong all offences broken down by drug (for some offences, a breakdown by drug is not available).
The reported proportion represents offences for one drug alone — e.g. offences for cannabis do not include offences for cannabis plus other drug(s).
Since the decriminalisation of drug use/possession for use in July 2001, such offences are reported through a different monitoring system; data presented here come from the latter as well as from the monitoring system recording criminal drug law offences.
Polydrug offenders are included in the category ‘other’.
RomaniaBased on number of offences with mentions of drugs considered as main drugs.
SloveniaBased on number of offences with mentions of drugs considered as main drugs.
SlovakiaBased on number of mentions of all drugs, whether alone or with other drugs (in the same offence).
SwedenBased on number of mentions of all drugs, whether alone or with other drugs (in the same offence).
Calculated on persons given a summary fine by the prosecutor or sentenced by a court.
Opiates other than heroin, other stimulants, other hallucinogens, GHB, illegally obtained sedatives and tranquilisers are included in the category ‘other’.
United KingdomBased on number of mentions of all drugs, whether alone or with other drugs (in the same offence).
CroatiaBased on number of mentions of all drugs, whether alone or with other drugs (in the same offence).
TurkeyBased on number of offences with mentions of drugs considered as main drugs.

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Page last updated: Monday, 14 July 2008