| 2018 – 2019 | ||||
| September | ||||
| 2017 – 2018 | ||||
| June January November October September |
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| 2016 – 2017 | ||||
| June May March January October September |
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| 2015 – 2016 | ||||
| June May April March January October September |
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| 2014 – 2015 | ||||
| June May January November October |
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| 2013 – 2014 | ||||
| June May April March January September |
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| 2012 – 2013 | ||||
| June April January September |
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| 2011 – 2012 | ||||
| June February September |
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| 2010 – 2011 | ||||
| November October September |
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| 2009 – 2010 | ||||
| June April March January November October September |
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| 2008 – 2009 | ||||
| April November October September |
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| 2007 – 2008 | ||||
| December October September |
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| 2006 – 2007 | ||||
| June May March January December November |