Year	Years
1980	-0.5244
1981	0.6393
1982	1.051
1983	0.9088
1984	0.5743
1985	-0.3458
1986	0.1914
1987	0.4698
1988	-0.08849
1989	-0.4875
1990	-1.065
1991	-0.8409
1992	-0.8966
1993	-0.7098
1994	-0.4544
1995	0.07503
1996	-0.3323
1997	-1.379
1998	-0.8285
1999	-0.08531
2000	1.663
2001	0.3521
2002	0.6157
2003	1.317