Year	% of GDP
1970	0.6388449157043105
1971	0.48068176141231644
1972	0.5321208906324211
1973	0.6746930264898232
1974	0.38196086485555975
1975	0.8056399187216651
1976	0.5922375404109224
1977	0.5627735457409174
1978	0.6475084520503882
1979	0.9942991357402887
1980	0.7385951606014968
1981	0.4454840302522632
1982	0.27730758998863386
1983	0.35256311032400667
1984	0.39606442946470677
1985	0.15821829302115853
1986	0.46159963660175485
1987	0.8963142385795063
1988	0.5055314445466896
1989	0.9244185035322049
1990	1.0060706832981194
1991	0.823355054370549
1992	0.9073907777803044
1993	1.1823823070274795
1994	1.2788657123335312
1995	1.5267149561943325
1996	1.324827739827852
1997	1.603888706971583
1998	2.176878672605124
1999	2.5932865864908106
2000	2.118645833135263
2001	1.6150310264384136
2002	1.7808148960021335
2003	1.7697493137875058
2004	3.1615788696163065
2005	0.5620098464740317
2006	2.207683518247338
2007	3.6936862017492627
2008	2.6491055732128723
2009	2.2090886693687803
2010	2.3160600646866554
2011	2.795353947277925
2012	2.4309570220459555
2013	2.3877296189707073
2014	2.3306976322605752
2015	1.943281451892131
2016	1.8068819420024653
2017	2.292399543761605
2018	-0.3036960864411762
2019	0.8198371575737712
2020	1.453436427535686
2021	1.9434632226924793
2022	1.839954952450681