Year	%
1985	-17.670656682429062
1986	13.22028144831199
1987	12.909487019895652
1988	2.807315014794429
1989	0.3933031709188551
1990	2.642189476070652
1991	-10.987419251750183
1992	-6.519588635774355
1993	0.5496145748935533
1994	11.077559303948663
1995	2.1089884584934597
1996	13.644898485310069
1997	10.272116550036554
1998	10.666161853029152
1999	8.177187342655051
2000	3.831148609350565
2001	17.635483204350024
2002	12.743947902463908
2003	-5.114907984651778
2004	2.9723771017646934
2005	-2.6170634941110666
2006	-4.080908929731272
2007	-8.29255368266441
2008	-17.121776241397008