Year	Interest Rate
1980	15.26
1981	18.87
1982	14.86
1983	10.76
1984	12.04
1985	9.93
1986	8.33
1987	8.20
1988	9.31
1989	10.87
1990	10.00
1991	8.46
1992	6.25
1993	6.00
1994	7.13
1995	8.82
1996	8.27
1997	8.44
1998	8.35
1999	7.99
2000	9.23
2001	6.92
2002	4.67
2003	4.12
2004	4.34
2005	6.18
2006	7.95