Year	% of GDP
1974	0
1975	0
1976	0
1977	0
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1988	-0.20238441089485493
1989	0
2005	10.665341351286457
2006	2.1495127477792324
2007	2.0941907413116576
2008	0.0503074738999969
2009	0.07489581230029378
2010	0.029062231871313498
2011	0.13126511879640712
2012	0.17560500775574503
2013	0.34085254859742986
2014	1.3412809086479818
2015	1.0210806787313818
2016	0.344240094811257
2017	0.10001994808981889
2018	0.6238875051336646
2019	0.22735129919754568
2020	0.181110730797718
2021	0.021581131150672984
2022	0.028739721234438416