Year	% of GDP
1990	1.56140815246162
1991	1.2696780861643846
1992	1.175407855833585
1993	0.8284067824101672
1994	29.1245873778475
2007	-0.14732421348961638
2008	-0.4071861051743955
2009	1.9255106784090326
2010	1.0907473766707234
2011	1.4731731363616316
2012	3.1420930706155556
2013	-0.3243925134969042
2014	1.1637481158195304
2015	4.270403407021447
2016	-0.029218402359114565
2017	-7.503049340898754
2018	0.23853790508388695
2019	0.3515576615154027
2020	1.4064174263630884
2021	2.1308055591747848