Year	% of GDP
1970	0.7779286863436468
1971	0.6645058942477237
1972	0.3317379625144168
1973	0.3889644367119136
1974	-0.23865884436343715
1975	0.8887500006721233
1976	0.15861609297945178
1977	0.2826702964115706
1978	0.371152787828344
1979	0.1704949848549537
1980	-0.025420649011716732
1981	0.8429183661200976
1982	1.1024003228746395
1983	0.6178408715490522
1984	0.6059014885059805
1985	0.3896835082857581
1986	0.43880541481568414
1987	0.2374952372404963
1988	0.5399424028553387
1989	0.5161420388085899
1990	0.6096495397244563
1991	0.8458436568836664
1992	0.8295612323270061
1993	0.7659148648845905
1994	1.196948836245924
1995	1.3152968059698475
1996	1.4924072579871752
1997	1.9648836314126557
1998	1.7463282494148107
1999	1.9737766002102837
2000	1.5191423942011395
2001	1.7898129438235866
2002	1.453059619341511
2003	1.1863118747139882
2004	1.515441281731486
2005	2.1051689382199985
2006	2.541805424432471
2007	2.659425604188523
2008	2.701014216184763
2009	1.8733839910013945
2010	1.866070379917937
2011	1.8644848617685474
2012	1.7409776035971427
2013	2.0498843105062745
2014	1.6936238692107013
2015	2.119806960720845
2016	2.0710503463142262
2017	1.9332249637588268
2018	2.068719088451958
2019	1.8577816164748975
2020	1.8354019663087584
2021	2.176724949135647
2022	2.003389226941005