Year	% of GDP
1980	2.50299019773644
1981	2.3729323613322038
1982	2.1669662789083053
1984	1.408395969032912
1985	1.225673227103845
1986	1.9184164164704878
1989	-0.03755571484512176
1990	-3.0218571441201867
1991	-1.2478446790326299
1992	-0.8795645117302057
1993	-1.2437742011351467
1994	-0.7280096626033108
1997	0.4294041445984329
1998	0.6578684888488342
1999	0.611541787450613
2000	0.5180834352134411
2003	0.6126761918749708
2008	1.2496797091425207
2009	1.3961867929700011
2010	1.0317628968217234
2011	0.897771357416391
2012	0.6089601087244336
2013	0.8720358958285793
2014	0.9210422054648358
2015	0.7481750169185998
2016	0.5085122022858779