Year	% of GDP
1960	0.05693698990263485
1961	0.6781989088257916
1962	1.2791934973539583
1963	1.0123321321278524
1964	0.42200047377694183
1965	0.38820044435560597
1966	0.3660283641995612
1967	0.3320944293626962
1968	0.33806846470805674
1969	0.4715653444590284
1970	-0.09224614026527256
1971	0.11284884710707566
1972	0.6428095408023999
1973	1.7571926124595905
1974	3.497788547560166
1975	-0.026465553391048502
1976	1.45854481972205
1977	0.4717894087477834
1978	0.1110230155360199
1979	2.50194814476696
1980	0.974211871579314
1981	-2.1556845147514316
1982	-1.1720085022120017
1983	0.3350103116999854
1984	0.9461386996582153
1985	0.16726858111285914
1986	-0.8103236681557355
1987	1.162535959231887
1988	0.3468447495064524
1989	0.5124591752745751
1990	0.301690303254901
1991	0.1613230446981646
1992	1.304828902423452
1993	-0.8186386433211119
1994	-0.5691044040375033
1995	-0.7211174838627485
1996	-0.5721676715860475
1997	-0.5291016902298935
1998	-0.09558728120100923
1999	1.1346303925889458
2000	1.7563740413584128
2001	1.053418641142656
2002	1.7587275773781954
2003	1.9432189084387943
2004	2.054926865447463
2005	3.2170327302724537
2006	4.051242772984491
2007	3.3724885336020236
2008	2.844887859789246
2009	1.49414069742652
2010	1.765798841052188
2011	1.4012676361265335
2012	0.9860579526166369
2013	0.6731029448238068
2014	0.3331626568238164
2015	0.957720399813514
2016	0.7240021055217554
2017	0.5340224295812348
2018	0.437749033225888
2019	0.6079867007495388
2020	1.404239153983717
2021	1.5700312679231914
2022	1.8247471160170363
2023	1.101271727214165