Year	% of GDP
1975	0
1976	0
1977	0.22760773349196906
1978	0.007502717860224332
1979	0.06893352435530087
1980	1.0413570903465885
1981	1.102263041550949
1982	0.9296942131370223
1983	1.3067545655109738
1984	0.7247981409294754
1985	1.8220562837090262
1986	0.7069675650875349
1987	1.471938830864323
1988	4.5379806889690535
1989	2.7728376468560367
1990	2.7629817121148
1991	1.1344133632766566
1992	1.0071631902059663
1993	1.873772454834231
1994	4.926761779661865
1995	2.413050209425958
1996	3.0729564632488886
1997	3.2745257561645222
1998	3.0535143702607352
1999	2.4144158659021957
2000	3.6520040172882977
2001	3.596341955491776
2002	3.659717448594521
2003	3.7957483627024224
2004	3.6838327561125634
2005	1.630955817827908
2006	1.3511686665848848
2007	4.495417243230264
2008	0.6231227675767851
2009	5.247206693138011
2010	0.42549058329880735
2011	2.3716015763828966
2012	2.286501696673914
2013	2.1303382755934175
2014	3.8696315862691866
2015	4.79809498524625
2016	3.747330571570441
2017	1.8280670344689511
2018	1.5989873928856528
2019	1.49464839144428
2020	1.3637141365728043
2021	-0.5140557008392242
2022	-0.34158390938169025