Year	% of GDP
1980	1.0688387339864356
1981	1.3465842030328232
1982	0.3182094888155118
1983	0.16008335578921312
1984	0.14116495323322403
1985	0.12322887351554597
1986	0.14881595578993145
1987	0.28867322884435986
1988	0.2422693751817779
1989	0.2554370135015408
1990	0.22573320633188948
1991	0.7212217326287916
1992	1.4179431331277093
1993	1.3659455069367572
1994	3.222549371593344
1995	1.2995160690291037
1996	2.6319205392947165
1997	2.239901152405553
1998	3.313149198536891
1999	1.6017812431081961
2000	1.1804747086078329
2001	0.7983654591177369
2002	1.0526228436889324
2003	0.8513923214053498
2004	1.7760330337425672
2005	6.558162958508526
2006	9.65257085704395
2007	8.363297480336636
2008	7.436590245911287
2009	8.538621823037786
2010	7.922263920721074
2011	7.745959159457529
2012	8.687269875890436
2013	5.341412369817377
2014	4.515780339047041
2015	3.947813018912273
2016	5.011258916977103
2017	4.44592999701064
2018	4.08811874514016
2019	4.304487747999453
2020	3.6989684885773686
2021	2.250240406031036
2022	1.8828866163177205