| 2011 | February 16 | June 28-29 |
| 2010 | January 20 | June 22-23 | September 21-22 |
| 2009 | January 20-21 | June 23-24 |
| 2008 | February 19 | June 4 | September 10 |
| 2007 | February 22 | June 7 | August 29 | November 28 |
| 2006 | March 14 | June 6 | September 19 | November 15 |
| 2005 | January 20 | June 7 | September 7 | November 29 |
| 2004 | September 8 | November 10 |
| 2003 | February 26 | June 4 | August 28 | November 19 |
| 2002 | February 27 | July 24 | November 19 |
| 2001 | November 28 |