| Date | Rate |
| 10 Apr 2008 |
5.00% |
| 7 Feb 2008 |
5.25% |
| 6 Dec 2007 |
5.50% |
| 5 Jul 2007 |
5.75% |
| 10 May 2007 |
5.50% |
| 11 Jan 2007 |
5.25% |
| 9 Nov 2006 |
5.00% |
| 8 Aug 2006 |
4.75% |
| 4
Aug 2005 | 4.50% |
| 5
August 2004 | 4.75% |
| 10
June 2004 | 4.50% |
| 6
May 2004 | 4.25% |
| 5
Feb 2004 | 4.00% |
| 6
Nov 2003 | 3.75% |
| 10
July 2003 | 3.50% |
| 6
Feb 2003 | 3.75% |
| 8
Nov 2001 | 4.00% |
| 4
Oct 2001 | 4.50% |
| 18
Sep 2001 | 4.75% |
| 2
Aug 2001 | 5.00% |
| 10
May 2001 | 5.25% |
| 5
Apr 2001 | 5.50% |
| 8
Feb 2001 | 5.75% |
| 5
Oct 2000 | 6.00% |
| 10
Feb 2000 | 6.00% |
| 13
Jan 2000 | 5.75% |
| 4
Nov 1999 | 5.50% |
| 8
Sep 1999 | 5.25% |
| 10
Jun 1999 | 5.00% |
| 8
Apr 1999 | 5.25% |
| 4
Feb 1999 | 5.50% |
| 7
Jan 1999 | 6.00% |
|
