Year	% of GDP
1971	-0.3396136363636364
1972	-0.024626470588235295
1973	1.2664615384615385
1974	-0.05914406779661017
1975	10.526320382908748
1976	5.882350544959623
1977	4.761906522020366
1978	4.123709766856062
1979	2.2900754847435225
1980	1.3180817369261097
1981	0.11862734723266023
1982	0.5338230395573833
1983	0.2402203929055955
1984	1.0809919767315699
1985	0.4079903789377029
1986	2.1005109035120806
1987	6.757458681678938
1988	0.9522448737420293
1989	6.709358574189385
1990	4.858486797484956
1991	6.378340838136659
1992	5.268100622499072
1993	7.770946296885079
1994	0.520408720090099
1995	0.4315530041530407
1996	1.1642375845868276
1997	6.43275577805474
1998	1.9241730801261538
1999	2.0286881601220643
2000	0.4774050887850997
2001	-2.1042718264969142
2002	0.042089465523770034
2003	-0.24166546263971692
2004	-0.6421412054004217
2005	0.09914712914691781
2006	7.178122193096661
2007	12.366472216360599
2008	9.683554743572428
2009	6.030992519756063
2010	18.4739645177231
2011	11.284266944204202
2012	2.0149501034244865
2013	4.155367441557025
2014	1.5740101688255532
2015	2.4636810892111125
2016	2.70705945922304
2017	2.917695815742379
2018	1.5470675200729478
2019	2.024950814968784
2020	0.5845829776759256
2021	1.8334098701689676
2022	2.5995821429339356