Year	% of GDP
1960	-13.368306051232882
1961	-15.309181681713607
1962	-16.912953355647943
1963	-18.350913508474452
1964	-19.765692787532203
1965	-18.90243902439025
1966	-21.680216802168022
1967	-26.159645180085377
1968	-39.89473684210526
1969	-29.792979297929794
1970	-36.25815808556926
1971	-28.41409691629956
1972	-23.170731707317074
1973	-23.13366774859841
1974	-23.851887472950228
1975	-20.197982105463545
1976	-15.935085007727976
1977	-18.408941485864563
1978	-16.463851109520398
1979	-11.126908111343909
1980	-13.383057425262265
1981	-21.825264329437953
1982	-14.712214726568106
1983	-0.4821713263599954
1984	2.849073585549797
1985	15.05928946934157
1986	19.202109366043793
1987	26.687376875284137
1988	26.592290830886306
1989	13.088331147250768
1990	5.2634937290406745
1991	6.500642975880569
1992	6.607871603470547
1993	7.983389391491627
1994	7.464187641019363
1995	7.077824038065608
1996	16.701313691056104
1997	13.157061949606607
1998	-3.262695119541593
1999	11.46545537706909
2000	11.738890450341845
2001	9.79015090797389
2002	12.47907949790795
2003	11.819673152894419
2004	8.229752675747253
2005	17.341755032188637
2006	16.949219607263043
2007	14.46340091361076
2008	-5.114412685998881
2009	-16.81346491621425
2010	-10.350339058507272
2011	-10.488671946706628
2012	-15.645232956371895
2013	-3.0235164188273993
2014	3.0683939953495183
2015	-6.719096330365318
2016	8.758019754879829
2017	3.9161336007584686
2018	1.001183852829088
2019	-8.917346049704099
2020	-15.082645467498876
2021	-4.93344415131649
2022	1.475457113733652
2023	-4.046537727548339