- First Half of 2011 and Second Half of 2011
- Second Half of 2010 and the First Half of 2011
- First and Second Halves of 2010
- Second Half of 2009 and the First Half of 2010
- First and the Second Halves of 2009
- First and the Second Halves of 2008
- First and the Second Halves of 2007
- Second Half of 2006 and the First Half of 2007
