Year	% of GDP
1970	1.2070662563483765
1971	0.11350333292871694
1972	0.46577506189917417
1973	-0.9107331330692523
1974	-2.3174252971718055
1975	0.9051666528570074
1976	0.19681240569677516
1977	0.39170611533434707
1978	0.24726407892840563
1979	-0.03987385347885246
1980	-0.6809692935166651
1981	1.4862238521064375
1982	2.6374655352188694
1983	1.333922600254325
1984	1.4694916979967672
1985	0.4816105621836592
1986	0.5928572264280784
1987	0.002629999015211288
1988	0.38920506076269695
1989	0.2945178793350777
1990	0.4798331677836811
1991	0.4579612541944723
1992	0.7504490415400329
1993	0.9129309083008449
1994	0.9914149777540822
1995	0.058381323120700615
1996	0.643950314790822
1997	1.4653043037378617
1998	1.615672218308275
1999	0.46009825109745905
2000	0.5048896186220521
2001	1.1994473372717285
2002	0.8282045289102884
2003	1.7649303810418042
2004	2.1727211916779807
2005	3.179919187391274
2006	3.986031081286059
2007	3.817572305513758
2008	2.5982440634606614
2009	2.23046681698968
2010	2.118948798696709
2011	1.3235575462328977
2012	1.5608529000772378
2013	1.2609093709451589
2014	0.868303974863404
2015	0.8607311148371098
2016	1.9317452273315066
2017	1.2272061563339123
2018	1.5489771697397106
2019	1.2251721850770934
2020	1.3073189453363159
2021	2.1658299537549093
2022	2.1558786941676065