Year	% of GDP
1974	16.649888223598108
1975	-8.65955588900466
1976	-2.809015596600099
1977	-7.950536914764599
1978	-18.674058010652843
1979	-16.893227074032122
1980	-5.9194401075570235
1981	-3.248934494375147
1982	-7.483726343085478
1983	-4.011600095026351
1984	2.5817538150272394
1985	-2.5471463110156076
1986	-3.767040691493157
1987	-3.4317356344487813
1988	-4.4772809417937705
1989	-2.660831995566384
1990	-3.66352702721095
1991	-6.22158219705237
1992	-5.8003457873175766
1993	-4.732455235212909
1994	-4.060425349932241
1995	-6.595805085247397
1996	-7.43684829737999
1997	-5.522685077204925
1998	-6.2506736391302535
1999	-5.711329623069304
2000	-6.644519647911052
2001	-8.085901955108076
2002	-5.817847456520042
2003	-5.431380966175296
2004	-6.493995075493222
2005	-6.330897062441091
2006	-5.3132487360095295
2007	-5.7459828602098675
2008	-4.867210386280947
2009	-3.7565526160569607
2010	-4.211675509401081
2011	-5.571342457503302
2012	-5.433021290464622
2013	-9.439441134766344
2014	-7.171078507803455
2015	-8.010211549616619
2016	-7.191802523543264
2017	-1.513024936222259
2018	-2.6297295084106964
2019	-0.7928778889946472
2020	-0.2802287135724822