Year	Years
1989	-1.834
1990	-1.876
1991	-3.391
1992	-2.777
1993	-1.722
1994	-3.691
1995	-1.155
1996	-2.641
1997	-3.205
1998	-2.986
1999	1.177
2000	1.295
2001	4.298
2002	3.716
2003	2.932