Year	% of GDP
1970	1.025167611139324
1971	1.1364868655282623
1972	1.387723738591841
1973	2.0520284109559377
1974	8.76459477049288
1975	7.435653174837069
1976	8.170165326174562
1977	7.871005170002084
1978	7.639288486743453
1979	12.317831716105303
1980	12.21734754747889
1981	7.974428782812914
1982	5.87666536480433
1983	6.68536364316321
1984	6.852259129860738
1985	6.596560231459087
1986	3.0167331953672702
1987	4.477904917207679
1988	3.7380213748638527
1989	5.154111809688147
1990	6.311368109172511
1991	3.00686920559195
1992	2.985538586232616
1993	3.299863200716975
1994	2.9173234096993523
1995	2.8812669815878893
1996	3.397967349152906
1997	2.9161837599058495
1998	1.6079615665152316
1999	2.6151045393938395
2000	4.644040915140577
2001	3.510941266836087
2002	3.5647513922325365
2003	3.6972640164760944
2004	4.533889938137889
2005	5.864115633437548
2006	5.945656302636343
2007	5.240112613138538
2008	6.270024405113795
2009	3.399813598628093
2010	3.866625992207902
2011	4.892706060440257
2012	4.477671044814291
2013	3.8396611182835336
2014	3.336060982062939
2015	1.4845196340010383
2016	1.207801360026552
2017	1.6302356677814862
2018	2.2807292336577403
2019	1.8545938772169532
2020	0.9243158725204228
2021	1.8501071244877347