Year	% of GDP
1990	1.7275491189819074
1991	1.9497435034076183
1992	4.028472621700843
1993	3.712773771444597
1994	2.293511498747156
1995	2.3299687992717772
1996	3.3539640433493862
1997	-0.054601128895632046
1998	0.5793530429939873
1999	2.406795497215888
2000	8.881947523702728
2001	3.6476739664194797
2002	5.494897446203562
2003	8.42715425978299
2004	13.050627152679775
2005	-6.3112934792860464
2006	1.7879288303024123
2007	1.168039841277248
2008	-0.4432071382018072
2009	0.5909995546019807
2010	2.940910447041593
2011	1.7495844081056189