Year	% of GDP
1970	0.26942702615251235
1971	0.23110531295626596
1972	0.24744201899476953
1973	0.4008477400747692
1974	0.27076608483052256
1975	0.1654850549280471
1976	0.25474479487622065
1977	0.24116663327584378
1978	0.1989928988195058
1979	0.25438002428061235
1980	0.3067021737515972
1981	0.41446064434923013
1982	0.35703965641022534
1983	0.29222470701482817
1984	0.7251083473547133
1985	1.0442582254164006
1986	1.8734117296666883
1987	2.691209892208791
1988	2.898867994390588
1989	1.0085874757405138
1990	0.20328723443725172
1991	-0.35956284459872684
1992	1.1782264769653783
1993	0.8156226290649746
1994	0.5662338807418466
1995	1.0988654613722377
1996	1.2474142000926547
1997	1.3961309780870619
1998	1.1676122666983406
1999	0.07990842041723888
2000	0.983982741264129
2001	3.524709280802194
2002	1.7621397821421965
2003	3.976112667576983
2004	1.5919447907958642
2005	-4.702275134436646
2006	3.2177936045403506
2007	1.6866264502348183
2008	3.0193445905897733
2009	1.2343143483218164
2010	1.5726986385100825
2011	0.5898785761673244
2012	0.37241299627219415
2013	-0.04879887973699227
2014	1.5365596156810177
2015	0.6109630744874494
2016	-0.2574273891048246
2017	0.7540126114720737
2018	0.07216413040742656
2019	0.6380534838073036
2020	0.5875242470113856
2021	0.4443483984768077
2022	7.3479278147406655