Year	% of GDP
1970	1.3634356626638697
1971	1.3210839435516912
1972	1.3233320486636448
1973	2.0419589525896162
1974	1.574082730086664
1975	1.948203272136457
1976	1.5071942217057335
1977	2.3956439453309817
1978	2.468798587434678
1979	2.055260132254629
1980	1.9778873120962228
1981	0.9087714309476969
1982	1.2804903586290586
1983	1.2032165764354787
1984	1.2942470655779268
1985	1.1000542305079966
1986	1.7519589030393015
1987	1.7660422331486318
1988	1.8293125429250232
1989	1.9913501975514316
1990	2.0789433729760516
1991	2.0548455315474414
1992	2.073581497050572
1993	2.66506533387679
1994	3.028115711913586
1995	3.7334196712949157
1996	3.3720820517130266
1997	3.0531805214280245
1998	3.176812479346716
1999	1.6118372149869837
2000	1.2990741229277931
2001	1.27084111262855
2002	1.3865098059161065
2003	1.769819495637759
2004	1.2095146492830178
2005	1.12203505283845
2006	0.9812832043050315
2007	1.1863673727900121
2008	1.2319586041611947
2009	1.2635508074316495
2010	1.0567145364972061
2011	1.0343963494937
2012	1.0307737709978169
2013	0.9851019038695077
2014	0.9998712615177088
2015	1.0550075221806667
2016	1.1910523643274367
2017	1.2404906524502153
2018	0.879620136922988
2019	0.8238557817820468
2020	0.9052854478526453
2021	0.8711002217120387