Drug map reveals the substances YOUR country is addicted to: Scotland is hooked on cocaine, Iceland smokes the most cannabis and opiates are rife in the US
The United Nations Office on Drugs and Crime (UNDOC) ...they cover Drug Prevention, Organized Crime, Crime Prevention, etc; the Good Will People of course.
I would imagine this information came from their own Commission on Narcotic Drugs; I read somewhere that it's the governing body of UNDOC.