Year	% of GDP
1970	13.292114885638922
1971	5.653859645346858
1978	1.467351430667645
1979	-0.03293807641633729
1981	-1.019940579546451
1984	-1.7258915766526692
1985	1.7399994721824468
1986	1.9858544947898424
1987	2.4370064206344355
1988	4.373723962343657
1989	5.052367303468346
1990	3.1519937250969345
1991	2.2858076502171123
1992	2.2490533380525415
1993	1.226635975698572
1994	1.9969479367773861
1995	2.5781036177812715
1996	1.9547154977848682
1997	1.3727791712876576
1998	1.9049145321989338
1999	5.8853565346823915
2000	2.6053734987659305
2001	5.237002300386417
2002	2.0532221280536613
2003	-0.8381853455442949
2004	7.996718514948407
2005	8.644131422097278
2006	6.869589662560409
2007	8.261096752673627
2008	9.796543504613856
2009	6.472899884211383
2010	5.5460597157394185
2011	5.2422944193111345
2012	10.22379976461268
2013	4.56274968416473
2014	6.639467800324988
2015	2.693715456948873
2016	1.4609258825823404
2017	1.4043371239280718
2018	5.322850709198679
2019	3.9345792582927626
2020	3.7213350878743627
2021	5.17597863176034
2022	4.978187263340479