Please note that this page is a static copy of a previously published web page and is no longer actively maintained.
Be aware that the information contained here may be out-of-date.
For the most recent information, we recommend visiting the main website of the European Union Drugs Agency (EUDA).
Notes:
For details of the studies included see Table GPS-1 to Table GPS-6.
The chart shows the overall average of the relevant studies, weighted by sample size.
See also 'General notes for interpreting data' on the Explanatory notes and help page.
Sources:
Reitox national reports (2005), taken from population surveys, reports or scientific articles.
See also Table GPS-0.