01/03/2008

3.50%

01/07/2007

3.25%

01/09/2005

3.00%

01/07/2003

3.25%

01/03/2003

3.50%

01/11/2002

3.75%

01/02/2002

4.00%

01/07/2001

4.25%

01/02/2000

4.50%

01/06/1999

4.00%

01/04/1998

4.25%

01/09/1997

4.50%

01/07/1997

4.75%

01/01/1997

5.00%

01/05/1996

5.25%

01/10/1995

5.50%

01/03/1995

6.00%

01/05/1994

5.50%

01/10/1993

6.00%

01/08/1993

6.50%

01/08/1992

7.00%

01/04/1991

6.75%

01/07/1990

6.25%

01/09/1989

5.75%

01/05/1989

5.50%

01/08/1988

5.00%

01/01/1987

5.25%

01/04/1983

5.50%

01/03/1982

6.00%