Surveillance system | Country/region | Inception date | Illegal drugs considered | Outcomes considered | Summary of findings | |||||
---|---|---|---|---|---|---|---|---|---|---|
Cannabis | Cocaine | Heroin | Price | Purity | Use | Seizures | ||||
University of Mississippi Marijuana Project | USA | 1975– | X | X | Cannabis potency increased between 1990 and 2009 | |||||
STRIDE Surveillance System | USA | 1986– | X | X | X | X | X | Price decreased and purity/potency increased across all illegal drugs considered | ||
UNODC | ||||||||||
Drug Seizures Database | International | 1980– | X | X | X | X | Seizures of all drugs have increased between 1995 and 2006 | |||
UNODC Annual Reports Questionnaire | International | 1990– | X | X | X | X | X | X | Prices of opiates, cocaine, and cannabis have generally decreased in Europe and the USA while purity and potency have increased | |
Reitox (EMCDDA database) | Europe | 1993– | X | X | X | X | X | Price of all illegal substances decreased in 2002–2007. Cocaine, cannabis and heroin seizures increased between 2002 and 2007 | ||
Illicit Drug Reporting System | Australia | 2000– | X | X | X | X | X | X | Between 2000 and 2010, the price of cocaine, cannabis and heroin decreased, while perceived purity remained stable | |
National Drug Threat Assessment | USA | 2001– | X | X | X | X | X | Between 2005 and 2009, cocaine purity decreased whereas price increased |
EC, European Commission; EMCDDA, European Monitoring Centre For Drugs and Drug Addiction; EU, European Union; STRIDE, System To Retrieve Information from Drug Evidence; UNODC, United Nations Office of Drug Control.