| 1999 |
Delaware/ Pennsylvania/ New Jersey/ Georgia/ Connecticut
|
| 2000 |
Massachusetts / Maryland/ South Carolina/ New Hampshire/
Virginia
|
| 2001 |
New York/ North Carolina/ Rhode Island/ Vermont/ Kentucky
|
| 2002 |
Tennessee/ Ohio/ Louisiana/ Indiana/ Mississippi
|
| 2003 |
Illinois/ Alabama/ Maine/ Missouri/ Arkansas
|
| 2004 |
Michigan/ Florida/ Texas/ Iowa/ Wisconsin
|
| 2005 |
California/ Minnesota/ Oregon/ Kansas/ West Virginia
|
| 2006 |
Nevada/ Nebraska/ Colorado/ North Dakota/ South Dakota
|
| 2007 |
Montana/ Washington/ Idaho/ Wyoming/ Utah
|
| 2008 |
Oklahoma/ New Mexico/ Arizona/ Alaska/ Hawaii |