Colorado voters passAmendment 20
Medical Use of Marijuana
2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
Amendment 20Medical Use of Marijuana
Takes Effect 2001
Only a handful ofMedical Marijuana DispensariesExist between 2002 and 2006
Medical Marijuana DispensariesColorado 2000-2009CDIA / Rocky Mountain HIDTAhttp://www.cdiausa.org/
Dispensary
Less than 10Medical Marijuana DispensariesExist between 2006 and 2007
Less than 20Medical Marijuana DispensariesExist between 2006 and 2007
More than 45Medical Marijuana Dispensariesin the Denver Metro late 2009