Year	% of GDP
1990	6.4239685555765345
2001	2.6559047132608673
2002	5.958918953987534
2003	6.24520477409706
2004	6.322449479290912
2005	4.073619633573096
2006	3.0194935774191936
2007	2.7995066886564026
2008	2.963131468958519
2009	4.889212972975743