Data are from the most recent national surveys available in each country (see Epidemiological tables on population surveys, EMCDDA Statistical bulletin).
The age range is from between 15 to 18 to between 59 to 64. Variations in age ranges may slightly influence disparities between countries.
See also standard epidemiological tables in the EMCDDA Statistical bulletin.
See also 'General notes for interpreting data' on the Explanatory notes and help page.
Reitox national reports 2007, taken from population surveys, reports or scientific articles.
(see the help page for information about formats etc.)