| 2002 | 2003 | 2004 | 2005 | 2006 |
|---|---|---|---|---|
| August | February | February | February | February |
| October | April | April | April | April |
| December | June | June | June | June |
| August | August | August | August | |
| October | October | October | October | |
| December | November | December | December | |
| December | ||||
| 2007 | 2008 | 2009 | 2010 | 2011 |
| February | February | February | February | February |
| April | April | April | April | April | June | June | June | June | June | August | August | August | August | August | October | October | October | October | October | December | December | December | December | December |
| 2012 | 2013 | 2014 | 2015 | 2016 |
| February | February | January | January | January |
| April | April | February | March | March |
| June | June | March | May | May |
| August | August | April | July | July |
| October | October | May | September | September |
| December | December | July | November | November |
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