Year	% of GDP
1970	4.819925950858297
1971	3.9003900390039004
1972	2.1887893730502164
1973	1.4713408393039917
1974	1.8320401955087673
1975	1.7753945321182483
1976	1.5184107301024927
1977	1.5587190163719997
1978	1.3433592429874959
1979	0.3109769404233651
1980	1.3710381139721652
1981	1.0540515519818021
1982	-0.016933981662916996
1983	0.5227425547144438
1984	0.5908228393996895
1985	0.7176018647543594
1986	0.8167094096407902
1987	1.527359272616901
1988	1.9742106016651193
1989	1.6450829146321326
1990	1.8773832523009581
1991	1.475904584319944
1992	1.548419450527057
1993	1.4578348893663093
1994	1.4209885374598723
1995	2.5088098596535997
1996	0.7356801712670239
1997	2.041718596307804
1998	3.0864403252018713
1999	6.0754643971191715
2000	4.068990891958902
2001	4.249306663759318
2002	3.4122598637561063
2003	2.8805548990424454
2004	4.18629057899448
2005	3.1259817008769404
2006	4.035656962028202
2007	5.12424998266344
2008	5.669685165047132
2009	3.5127685459137448
2010	3.3794906640080704
2011	3.7868491701657034
2012	5.629224711054535
2013	2.5524009014622173
2014	3.550612643239254
2015	3.1297764626285183
2016	3.3235740083834697
2017	4.497484833875993
2018	3.207863345064859
2019	3.1809718229246045
2020	3.1208202502581934
2021	3.554306272981532
2022	3.4892476931950522