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Table DLO-6. Cannabis-related offences, 2003–11
Part (ii) Methodological notes
| Country | Methods of percentages calculation and other notes | |
|---|---|---|
| Belgium | Between 2003-2005, data refer to the number of offences and each offence is represented as one separate record in the database. | |
| Since 2006 data refer to the number of offences and only the main offence: someone can have more than one drug in his/her possession; not only the main substance is mentioned. Offences without a specified substance are included. These changes are likely to affect comparability across time. | ||
| Bulgaria | Based on the number of reports where cannabis is recorded as the main or other drug. | |
| Czech Republic | Based on the number of reports with cannabis as the main drug. Only criminal offences. | |
| Germany | Based on the number of reports with cannabis as the main drug. | |
| For some offences a breakdown by drug is not available, and these offences are not recorded. | ||
| Ireland | Based on the number of reports with cannabis as the main drug. | |
| Greece | Based on the number of reports where cannabis is recorded as the main or other drug. | |
| Spain | Based on the number of reports where cannabis is recorded as the main or other drug. | |
| France | Based on the number of reports with cannabis as the main drug. | |
| Italy | Based on the number of reports where cannabis is recorded as the main or other drug. | |
| For some offences a breakdown by drug is not available, and these offences are not recorded. | ||
| Cyprus | Based on the number of reports with cannabis as the main drug. | |
| For some offences a breakdown by drug is not available, and these offences are not recorded. | ||
| Latvia | Based on all drug offences. Several different drug offences may be involved in one criminal case. | |
| Lithuania | Based on the number of reports where cannabis is recorded as the main or other drug. | |
| For some offences a breakdown by drug is not available, and these offences are not recorded. | ||
| Luxembourg | Based on the number of reports where cannabis is recorded as the main or other drug. | |
| Calculated on arrests for presumed offences against the 1973 drug law. | ||
| Hungary | Based on the number of reports with cannabis as the main drug. | |
| Malta | Based on the number of reports with cannabis as the main drug. | |
| Netherlands | Data refer to cases registered by the Public Prosecutor. | |
| Austria | Based on the number of reports where cannabis is recorded as the main or other drug. | |
| Poland | Based on the number of reports with cannabis as the main drug. | |
| Portugal | For some offences a breakdown by drug is not available, and these offences are not recorded. | |
| Since 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. | ||
| Slovenia | Based on the number of reports with cannabis as the main drug. | |
| Slovakia | Based on the number of reports where cannabis is recorded as the main or other drug. | |
| Sweden | Based on the number of reports where cannabis is reported, as main or other drug. | |
| Calculated on persons given a summary fine by the prosecutor or sentenced by a court. | ||
| United Kingdom | Based on the number of reports where cannabis is reported, as main or other drug. | |
| Previous 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. | ||
| Croatia | Based on the number of reports where cannabis is recorded as the main or other drug. | |
| Turkey | Based on the number of reports with cannabis as the main drug. | |
| After 2002 data refer to all data reported by the main prosecuting authorities (police, gendarmerie, customs). This change is likely to affect comparability across time. |