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Table DLO-4. Drug law offences related to drug use or possession for use, 2003–11

Part (ii) Methodological notes

CountryNotes
BelgiumBetween 2003-2005, data refer to the number of offences and each offence is represented as one separate record in the database.
BulgariaFrom 2001 to 2004 offences for 'use and trafficking' were reported twice, in both the category 'use/possession' and in the category 'dealing/trafficking'. From 2005 onwards these offences are included only in their own specific category. This change is likely to affect comparability across time.
Czech RepublicInitial reports for ascertained drug related offences and persons prosecuted for primary drug related crime according to Penal Code and drug-related misdemeanours are included.
EstoniaSince 2007, data are provided by a different source and include both the number of offenders and the number of offences. In addition, the delivery or distribution of narcotic substances in prisons were reported as drug-related crime for the first time. In the past only the number of main offences was provided. This change is likely to affect comparability across time.
IrelandIn 2007 responsibility for reporting crime data transferred to a different agency. The new agency reassessed the data for 2005 and 2006 on the basis of information held in a new Garda IT system. This change is likely to affect comparability of the data across time.
SpainBefore 2003, an offence was recorded for every drug mentioned in a use-related report. For example, if cannabis and heroin were both mentioned in a report, two offences were recorded, one for each drug. From 2003 onwards, only the total number of use-related reports were recorded. For example, if cannabis and heroin were both mentioned in a report, a single offence was recorded.
LatviaSince 2007, data are provided by a different source, providing number of offenders and number of offences. Previously only data on the number of offenders was reported. 2007 also marks a large increase in the number of offenders reported. This change is likely to affect comparability across time.
LuxembourgDue to a complete upgrade of the RELIS database, since 2007 data is not comparable with data from previous years.
AustriaThe law only distinguishes between small and large quantities. Thus cases of possession and small-scale trafficking have been considered as 'use/possession for use' and cases of possession and trafficking of large quantities as 'dealing/trafficking'.
PortugalSince July 2001 drug use and possession for use have been decriminalized and made an administrative offence. Data on such offences, although included in this table, come from a different monitoring system. 2001 data should be treated with caution since this new monitoring system was being tested for the first time.
RomaniaSince 2008 data refer to persons convicted under/against national drug legislation (Law no.143/2000)
SlovakiaUp to and including 2005, the unit reported was suspected offenders. No data is available for 2006, during which year a new criminal code was introduced. From 2007 onwards, the unit reported is offenders convicted according to the new criminal code. This change is likely to affect comparability across time.
United KingdomPrevious data has been on an offender (person basis). Since 2005 data are based on an all drug offence basis, except for Northern Ireland, which continues to be on a principal drug (i.e person) basis.
CroatiaSince 2006, the statistical unit considered is criminal drug law offences (persons arrested in previous years, 2001 to 2004). This change is likely to affect comparability across time.
TurkeyAfter 2002 data refer to all data reported by the main prosecuting authorities (police, gendarmerie and customs). This change is likely to affect comparability across time.
 

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Page last updated: Friday, 26 April 2013