Year	% of GDP
1979	0.015030753586253701
1980	0.12139865845379874
1981	0.0797817127921312
1982	0.04328903552817958
1983	0.04204615779507946
1984	0.05004057656206368
1985	0.0831353649404258
1986	0.049148477366012515
1987	0.08625568276040875
1988	0.08177329297051636
1989	0.12357267291780266
1990	0.09899206920122858
1991	0.14672633075909597
1992	0.33462233551097964
1993	0.24503046362410882
1994	0.28369302868704643
1995	0.3213189776855323
1996	0.2888695466917374
1997	0.3805065328617809
1998	0.30562045478625177
1999	0.33320744310276484
2000	0.27700120665633016
2001	0.23331906553364237
2002	0.19438672823140105
2003	0.3367031329146262
2004	0.5398542765545834
2005	0.570735586041604
2006	1.0768499930305562
2007	0.9374376532344275
2008	1.0640651092487674
2009	0.7068071320892145
2010	0.9835993163467777
2011	0.7316129160811381
2012	0.7426085620739841
2013	0.7651809669526126
2014	0.9330891397844547
2015	1.0394372108511978
2016	1.1631335759244001
2017	0.8318120778268485
2018	0.7585517389302942
2019	0.7488332599935299
2020	0.7348343949449849
2021	0.8083376300927355
2022	0.7304675167006028