National Opioid Pharmacotherapy Statistics Annual Data (NOPSAD) collection: 2008 report presents data on the 41,000 clients accessing pharmacotherapy for the treatment of opioid addiction, the 1,400 prescribers participating in the delivery of pharmacotherapy treatment, and quantitative information about the prescribing sector. This collection is one of a number of data sources that provide a picture of alcohol and other drug treatment services in Australia.