Year	% of GDP
1971	1.2025424411228314
1972	0.37100608828622017
1973	0.41502176543009495
1974	0.6839295116798384
1975	1.8043665461403688
1976	0.5858149487295949
1977	1.0740651358639768
1978	1.4735608329279155
1979	2.4012914591538634
1980	-1.5210702750924474
1981	1.207213013891704
1982	0.9174000627567191
1983	0.8656672277346235
1984	1.5207617746974393
1985	1.4242872677175487
1986	0.5623575830256358
1987	0.6809736621920431
1988	1.745815910702416
1989	1.7218527358912468
1990	1.213823250404079
1991	2.9833833830323644
1992	3.6012306980598914
1993	0.4331038750489594
1994	2.0490856921008165
1995	4.427320635275558
1996	7.719527237245676
1997	4.763870093920407
1998	5.032973474042022
1999	6.61224747650878
2000	6.6430029789868374
2001	4.466552032955713
2002	2.9250716498831792
2003	5.540206770147058
2004	13.760191882622836
2005	31.540603516248005
2006	33.45758530968096
2007	38.91998705853833
2008	23.68714969627532
2009	55.843079225947754
2010	33.589432414620624
2011	34.732914353842034
2012	52.445624122112974
2013	21.260597531663922
2014	35.12115925405957
2015	23.24753336100307
2016	8.067105669218423
2017	9.615197849982009
2018	4.353677055971923
2019	32.67657742401863
2020	-9.126224540608591
2021	11.737792337230768
2022	5.360035092964143