Year	% of GDP
1980	0.8657178835484405
1981	0.8903222874140317
1982	0.9302753337526705
1983	1.0144760371655726
1984	0.9821718812832172
1985	1.050411046292628
1986	1.2037387134352837
1987	1.1806830344077792
1988	1.038171988364247
1989	0.9983149751542344
1990	0.8349147991868971
1991	0.775809329452623
1992	0.8002207913060371
1993	0.7487557619605265
1994	0.7566390026938019
1995	0.7589277859794533
2006	0.26876350105421404
2007	0.29227169028013045
2008	0.2648102365707074
2009	0.3372843565683491
2010	0.2976772281057778
2011	0.29085027726432533
2012	0.27573704304023444
2013	0.27478904505494145
2014	0.2999096686416362
2015	0.3154660386967117
2016	0.33201248551671814
2017	0.29100650259886224
2018	0.2880595521711178
2019	0.2812122677310546
2020	0.3137918921889695
2021	0.27920452406965895
2022	0.257668329326491
2023	0.26888140901737634