Year	% of GDP
1975	0.5401882942054096
1976	0.5450882806019678
1977	0.4851568776910251
1978	0.6290674807966029
1979	0.5472231780909297
1980	0.4906024573429515
1981	0.5483067646587853
1982	0.6403664578853884
1983	0.7306005816802541
1984	0.8424715103891789
1985	0.9258265349935594
1986	1.1845241439084482
1987	1.1432293421377715
1988	1.1977351916376306
1989	1.1930257919562732
1990	1.058428475486904
1991	1.297768008116334
1992	1.3786210775844752
1993	1.4809010773751223
1994	1.8304250168803309
1995	1.7870683047090263
1996	1.7924318720379147
1997	2.0040218645695846
1998	2.1808904913030647
1999	2.333245197113431
2000	2.2626500930374576
2001	2.2382001623564887
2002	2.20332258864369
2003	1.9276839325365367
2004	1.6653619090599296
2005	1.395409874085288
2006	1.0942440019467392
2007	0.9766711676662827
2008	0.8273054640932299
2009	1.0368868886082512
2010	0.7350257722227809
2011	0.6514215937001504
2012	0.6279439918047645
2013	0.6331724963216412
2014	0.6287160034809723
2015	0.7236715904928294
2016	0.7508629151751307
2017	0.761757604094752
2018	0.7114640022508051
2019	0.7467122027944978
2020	0.9638907144225044
2021	0.9434183575643539
2022	0.8237395076051871