Year	% of GDP
1975	1.1727762070174474
1976	2.179868058027722
1978	1.2788484848063983
1979	1.2976794929485982
1980	1.317697887415192
1981	1.4480702162325263
1982	1.277785034008192
1983	1.1929292822265025
1984	1.2189480350510131
1985	0.9263561894673829
1986	1.2578513891438925
1987	1.2471515647312896
1988	1.2089805882498141
1989	1.6822032602956172
1990	1.7492948742223013
1995	2.850215802104936
1996	3.1315857726235907
1997	3.400530982998694
1998	3.162496700481865
1999	2.894951774116944
2000	2.2571160121433382
2001	2.6510416213634724
2002	1.8679483475004883
2003	2.3368008860648866
2004	2.6781196527348454
2005	2.148360711653331
2006	1.9532935396687712
2007	1.6311821993921807
2008	1.0319649922130465
2009	2.53648750145347
2010	3.555176807747023
2011	2.0552244657351975
2012	1.3388584987982244
2013	1.037064283078689
2014	1.0581956139177002
2015	1.276611306861864
2016	0.6586900827233291