http://www.unodc.org/unodc/world_drug_report.html
United Nations. Office on Drugs and Crime
"The World Drug Report 2005 provides one of the most comprehensive overviews of illicit drug trends at the international level. In addition, this year it presents the work of UNODC in two new areas of research: an estimate of the financial value of the world drug market, and the preliminary steps towards the creation of an illicit drug index."
