|
|
|
Year |
2007 |
January | April | July | October |
2008 |
January | April | July | October |
|
2009 |
January | April | July | October |
| 2010 | <January | April | July | October |
|
2011 |
January | April | July | October |
| 2012 | January | April | July | October |
| 2013 | January | April | July | October |
| 2014 | January | April | July | October |
| 2015 | January | April | July | October |
| 2016 | January | April | July | October |