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These tables were prepared by the Office of Applied Studies (OAS), Substance Abuse and Mental Health Services Administration (SAMHSA), U.S. Department of Health and Human Services (HHS), and by RTI International, a trade name of Research Triangle Institute, Research Triangle Park, North Carolina. Work by RTI was performed under Contract No. 283-2004-00022. Contributors and reviewers at RTI listed alphabetically include Jeremy Aldworth, Kimberly Ault, Kortnee Barnett-Walker, Ellen Bishop, Michael R. Bradshaw, Stephanie Bruns, Nancy C. Braxton, Lisa Carpenter, Pinliang (Patrick) Chen, Chuchun Chien, James R. Chromy, Elizabeth Copello, Devon S. Cribb, David B. Cunningham, Christopher Cummisky, Lanting Dai, Christine Davies, Teresa R. Davis, Barbara J. Felts, Misty S. Foster, Peter Frechtel, Julia Gable, Gina S. Geercken, Harper Gordek, Jennifer Gratton, Wafa Handley, David C. Heller, Erica Hirsch, Phillip Kott, Larry A. Kroutil, Jeff Laufenberg, Amanda Lewis-Evans, Mary Ellen Marsden, Peilan Chen Martin, Victoria McNerney, Andrew Moore, Lisa E. Packer, Brenda K. Porter, Jeremy Porter, Rosanna S. Quiroz, Harley Rohloff, Neeraja S. Sathe, Jennifer H. Schoden, Kathryn Spagnola, Thomas G. Virag (Project Director), Jiantong (Jean) Wang, Lauren K. Warren, Matthew Westlake, and Carol Woodell. Contributors at SAMHSA listed alphabetically include Peggy Barker, Jonaki Bose, James Colliver, Joseph Gfroerer, Beth Han, Sarra Hedden, Arthur Hughes, Michael Jones, Joel Kennet, Pradip Muhuri, and Dicy Painter. At RTI, Farrah Bullock Mann and Brenda K. Porter formatted the tables; Claudia M. Clark, Richard Hair, Amanda Lewis-Evans, Amber McDonald, and Richard S. Straw provided editorial assistance; and Teresa G. Bass, Joyce Clay-Brooks, Cassandra M. Carter, Kim Cone, Valerie Garner, Danny Occoquan, Pamela Couch Prevatt, Roxanne Snaauw, and Cheryl Velez provided Web conversion and/or document production support. Final report production was provided by Christine Hager and Jane Feldman at SAMHSA.

Electronic Access to Publication

This publication may be downloaded from http://www.samhsa.gov/data.

Originating Office

Substance Abuse and Mental Health Services Administration
Center for Behavioral Health Statistics and Quality
1 Choke Cherry Road, Room 7-1014
Rockville, MD 20857

May 2012

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