Year	% of GDP
1983	0.3496240695451128
1984	2.5635739383357876
1985	4.290798491015625
1986	5.283224441176471
1987	5.443787039644971
1988	3.689655081206897
1989	3.158295186986302
1990	2.779552643003195
1991	2.8901630465902235
1992	0.30549449314285715
1993	2.2531097453217956
1994	3.0518940390762843
1995	2.7796116504854362
1996	3.1906103286385017
1997	2.853860294117647
1998	2.68594343604897
1999	2.598232221775819
2000	2.555202541699759
2001	2.7037344398340326
2002	2.729079012345678
2003	2.543461365341333
2004	2.467152777777778
2005	2.564672617471509
2006	2.373771762632403
2007	2.31788713444602
2008	2.1751220259193795
2009	2.1629999315989177
2010	2.111507367570892
2011	2.029056887404681
2012	2.01371018543667
2013	1.965094225862496
2014	2.014083373024939
2015	2.2405263632199515
2016	2.0545691954389973
2017	2.0947177482474695
2018	2.0825265183627852
2019	2.065753728313807
2020	3.7644683300156982
2021	3.447666302919019
2022	2.6449468158980243
2023	2.495753355602954