Please note that this page is a static copy of a previously published web page and is no longer actively maintained.
Be aware that the information contained here may be out-of-date.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 EMCDDA.
The chart shows the overall average of the relevant studies, weighted by sample size.
SB2006: Figure GPS-33 part (ii).
See also Table GPS-0.
For details of the studies included see Tables GPS-1 to GPS-6
See also 'General notes for interpreting data' on the Explanatory notes and help page.
Reitox national reports 2006, taken from population surveys, reports or scientific articles.
Page last updated: Wednesday, 21 November 2007