Year	% of GDP
2004	3.4671225711904228
2005	5.642802816175337
2006	4.332642419065299
2007	3.21681094054867
2008	4.972897024795377
2009	11.63625474858657
2010	9.737842660487985
2011	3.7301581912497923
2012	4.455638196032953
2013	-0.9259606897861596