Year	% of GDP
1977	0.4043016625423333
1978	0.2962645596717805
1979	0.37465446875353575
1980	0.2529113663300019
1981	0.3531807258824947
1982	0.3852047900226761
1983	0.25188063098888763
1984	0.05992145988479227
1985	0.010991880880838674
1986	0.012626483821846952
1987	0.016955782289160302
1988	0.01769654123905995
1989	0.00859547579289906
1990	0.009661356575211775
1991	0.004048404466331278
1992	0.008705166422813678
1993	0.017151749806777715
1994	0.6339787782764389
2005	0
2006	0
2007	0
2008	0
2009	12.47344021492783
2010	11.736332200672047
2011	13.61145121628187
2012	12.349390616375663
2013	9.901364479105569
2014	9.766197006365863
2015	10.251803048180403
2016	9.032381167056338
2017	9.837330374737848
2018	4.1799393866624674
2019	6.490457608772313
2020	8.517271355004024
2021	9.071253166031298
2022	11.27301294282176
2023	11.741132501809194