Please note that this page is a static copy of a previously published web page and is no longer actively maintained.
Be aware that the information contained here may be out-of-date.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.
Statistical bulletin 2006: Figure GPS-33 part (ii)
Statistical bulletin 2007: Figure GPS-18 part (ii)
Statistical bulletin 2008: Figure GPS-18 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 2008, taken from population surveys, reports or scientific articles.
(see the help page for information about formats etc.)
Page last updated: Wednesday, 15 July 2009