Year	Years
1980	0.6291
1981	0.5443
1982	0.4952
1983	-1.137
1984	-1.377
1985	-1.128
1986	-1.545
1987	-1.288
1988	-1.024
1989	-0.6048
1990	0.00256
1991	0.2195
1992	0.3494
1993	1.242
1994	1.776
1995	1.689
1996	1.493
1997	1.433
1998	0.7277
1999	-0.4982
2000	-0.00473
2001	0.06594
2002	0.1766
2003	0.5587