| January-April | 2006 |
| May-August | 2006 |
| September-December | 2006 |
| January-April | 2007 |
| May-August | 2007 |
| September-December | 2007 |
| January-April | 2008 |
| May-August | 2008 |
| September-December | 2008 |
| January-April | 2009 |
| May-August | 2009 |
| September-December | 2009 |
| January-April | 2010 |