Year	% of GDP
1970	-0.6647712934770668
1971	0.8776644044239292
1972	1.196705637415803
1973	2.443759414383818
1974	-0.8018801057921059
1975	-0.3716766740961428
1976	-1.793049107528418
1977	-2.2445337570495147
1978	-0.1828428390896964
1979	-1.9036813831599073
1980	-3.0481003413197865
1981	-2.141721135184696
1982	-2.8720508832878098
1983	-0.6902404554765347
1984	0.6738945274390405
1985	-0.885266710240753
1986	0.021506828501814127
1987	-0.011630227242469756
1988	-0.2579708941720016
1989	-1.422895116062803
1990	-2.4208315045201525
1991	-1.6967870240124978
1992	-3.104762206613862
1993	-1.9531367347342166
1994	0.32424246096987897
1995	1.8482075673096756
1996	2.0196689488779165
1997	2.7618122949169512
1998	3.5255453388786497
1999	3.932479290873209
2000	4.447208814809355
2001	6.1741715077921135
2002	4.666509570623811
2003	5.853956251856953
2004	5.946824621629392
2005	6.012812683456273
2006	8.146858636091302
2007	8.127695905514466
2008	7.881485666187133
2009	5.937227889585889
2010	5.8884803161269135
2011	5.476158203959271
2012	5.505562042009942
2013	5.232077924328221
2014	4.20943401717434
2015	3.1990745542335617
2016	2.198560841307171
2017	2.777648861094384
2018	2.46545914026436
2019	5.339924726106854
2020	5.891571065934469
2021	7.073088118775398
2022	5.399810115408776
2023	6.754600050913442