22. 37.9 34.2 Washington, DC 51.3 45.4 Sacramento, CA 51.5 42.3 Portland, OR 44.7 40.2 New York, NY 51.8 45.7 Minneapolis, MN 51.0 43.0 Indianapolis, IN 49.3 44.6 Denver, CO 58.6 51.9 Chicago, IL 54.8 47.2 Charlotte, NC 47.0% 41.4% Atlanta, GA Past Year Use Past 30 Day Use
23. 56.7 56.7 47.5 46.9 Lifetime 28.5 27.7 31.8 30.2 Past year 16.0% 15.7% 16.8% 16.7% Past month 2007 2006 2007 2006 Young Adults College Students