Do meth addicts that want to get into recovery, stay clean or relapse?

I was wondering the success rate, for a meth addict that has hit bottom and gotten into recovery. Do they stay clean or do they keep relapsing? Do you know any addicts personally that have tried recovery?

More Meth Drug Addiction Info:

• As A History Addict, I Do Not Believe In Death… | The Daily Nigger
• Quit Smoking Hypnosis Progams Have the Highest Long Term Success …
• Haney confirms Tiger's sex addict treatment, saw no doping (AFP …
• rates of success movies pharmaceutical « New Blog Information
• URGENT: NEED TO MOVE HOMELESS MINISTRY | Prodigal's Home
• 7 Common Mistakes of Email Marketing | Internet 9 Blog's
• Online Dating Book: The Hidden Guide To Success With Online Dating …
• Raptors Roundtable – May, 2009 | Hoops Addict
• Bangladesh Board SSC 2010 Results with Record 79.98% Success Rate …
• Tiger Woods is a sex addict, his former coach says – SportingNews.com