Year	% of GDP
1986	0.044679412417754194
1987	-0.8775073518215909
1988	0.43774003409937934
1989	1.4636945230338025
1990	1.7561200086811442
1991	-0.07944751238156814
1992	2.205414134982974
1993	3.561883533661412
1994	1.5620735970124902
1995	2.007130562437785
1996	3.50484156725475
1997	3.318615991803892
1998	3.138246505341788
1999	2.681691403778192
2000	2.9873773284474017
2001	6.939686437970057
2002	6.557718913752811
2003	8.665899334381601
2004	7.171016415678674
2005	3.736005418137066
2006	-10.250026292075924
2007	-0.3052644171554943