Year	% of GDP
1974	2.583703106091166
1975	2.2848278001861617
1976	2.132167152575316
1977	2.080658903720534
1978	1.178835577470131
1979	1.1616212519347757
1980	3.428716505310109
1981	4.062594925874951
1982	5.717267037920121
1983	6.076520087054536
1984	6.807542328464892
1985	6.873598198026939
1986	6.171925264973331
1994	8.27321138017008
1995	9.822597039059053
1996	10.023398223059173
1997	10.991461051691077
1998	11.870242949127638
1999	11.711023400638542
2000	12.10701310080647
2001	12.323096013018915
2002	11.942006843822503
2003	11.69972588656894
2004	11.510124636847925
2005	11.22077566278733
2006	10.739032281850706
2007	10.627499629051227
2008	10.67356993136312
2009	11.301851989635619
2010	10.476306890776888
2011	9.910445221886416
2012	10.4261955582102
2013	11.261812104702656
2014	11.93947475250738
2015	13.0162547892225
2016	13.138505409513765
2017	13.426505761953505
2018	14.374580139059002
2019	14.651666661602327
2020	11.80754303131977
2021	12.593274110691135
2022	13.206976264802856
2023	13.946963633500102