7th April 2003 to 27th April 2003,2.8%,
28th April 2003 to 27th May 2003,2.57%,
28th May 2003 to 27th June 2003,2.33%,
28th June 2003 to 27th July 2003,2.10%,
28th July 2003 to 27th August 2003,1.87%,
28th August 2003 to 27th September 2003,1.63%,
28th September 2003 to 27th October 2003,1.40%,
28th October 2003 to 27th November 2003,1.17%,
28th November 2003 to 27th December 2003,0.93%,
28th December 2003 to 27th January 2004,0.70%,
28th January 2004 to 27th February 2004,0.47%,
28th February 2004 to 27th March 2004,0.23%,
28th March 2004 onwards,Nil,