Drug Recovery

Where I can find statistics on drug addiction and recovery?
I am looking for a particular statistic, which essentially say what portion of drug addicts overcome their addiction and live clean.
http://www.samhsa.gov/ above is the website of the government. that contains all kinds of information. particularly useful is the list of physicians authorized to provide services by state and city.
Relief None Drug Targeted Fibromyalgia symptoms recovery Program by Dr. Rob Robertson (Part 1)
