Year	% of GDP
1997	1.8437423843960667
1998	1.527753858544878
1999	0.6454888211562035
2000	0.6521938368744418
2001	0.45956730422104786
2002	-0.0339143550183669
2003	0.6555315029549269
2004	0.4737554300929708
2010	7.200675260530246
2011	9.296250597367685
2012	8.401897442344133
2013	6.7195686404740735
2014	5.540885926708548
2015	0.24887749500571538
2016	-1.5014264435369646
2017	0.4399169406185192
2018	2.438446342526147
2019	0.8331592047955876
2020	-3.334825443903173
2021	-1.5315655346566113