- 2010-2011, 12 months to end March 2011
- 2009-2010, 12 months to end March 2010
- 2008-2009, 12 months to end March 2009
- 2007-2008, 12 months to end March 2008
- 2006-2007, 12 months to end March 2007
- 2005-2006, 12 months to end March 2006
- 2004-2005, 12 months to end March 2005
- 2003-2004, 6 months to 31 March 2004
- 2002-2003, 12 months to end
