2003 Arkansas D
2004 Florida D
Iowa D
Wisconsin D
2005 Minnesota D
Kansas D
West Virginia D
2006 Nevada D
Nebraska D
North Dakota D
2007 Montana D
Washington D
Idaho D
Wyoming D
Utah D
2008 Oklahoma D
New Mexico D
Arizona D
Alaska D P
Hawaii D
2009 American Samoa D P
DC D P
Guam D P
N. Mariana Isl. D P
Puerto Rico D P
US Virgin Isl. D P
Mint