(Base amount is adjusted by the following rates until payment)

Period  Rate
28/12/2002 - 30/06/2003 7.4%
01/07/2003 - 30/06/2004 7.1%
01/07/2004 - 30/06/2005 7.8%
01/07/2005 - 30/06/2006 7.3%
01/07/2006 - 30/06/2007 7.0%
01/07/2007 - 30/06/2008 6.0%
01/07/2008 - 30/06/2009 7.3%
01/07/2009 - 30/06/2010 8.2%
01/07/2010 - 30/06/2011 8.3%
01/07/2011 - 30/06/2012 6.3%
01/07/2012 - 30/06/2013 6.9%
01/07/2013 - 30/06/2014 7.3%
01/07/2014 - 30/06/2015 5.4%