Year	% of GDP
1987	0.38227219420819336
1988	0.44361928927995387
1989	0.46068897206519605
1990	0.28226429678756937
1991	0.07502384220558729
1992	0.011603691373560878
1993	0.9022367616233197
1994	0.9430977581471092
1995	1.5233951192471145
1996	1.9996565873931231
1997	3.1172509079707282
1998	2.1026978769996365
1999	1.591334731580525
2000	1.1471290939254408
2001	1.793175809579442
2002	1.5549035173445773
2003	0.8064511777513825
2004	1.1031438448461435
2005	1.0802471497704544
2006	0.7941233410293337
2007	0.4013831204178657
2008	0.1718130316694031
2009	0.14759595868994943
2010	0.23183884466076982
2011	0.21187336853080024
2012	0.4581684297007101
2013	2.7275438270714365
2014	2.758491939305165
2015	3.24411249407629
2016	3.562042879675753
2017	3.713484451452272
2018	3.9396915369276977
2019	3.401300439661454
2020	3.3814651480444
2021	1.9324585833646954
2022	2.025322478531268
2023	2.3142779712861294