Year	% of GDP
1990	17.63301500682128
1991	16.654191616766468
1992	21.877139478434056
1993	17.90286624203822
1994	12.664745129436882
1995	11.533414565563781
1996	10.42962746102613
1997	8.39375613462939
1998	8.324129512294368
1999	6.042224047045111
2000	5.292384646361882
2001	6.18744826548273
2002	7.430927835051547
2003	8.636395438326455
2004	8.283510351457176
2005	6.4875224595727685
2006	5.772903308403836
2007	4.984044710072108
2008	4.705609758528248
2009	5.525890763029648
2010	4.737784057459084
2011	3.9883261011481888
2012	4.24121862424352
2013	4.215736825822419
2014	4.707010697443492
2015	4.990621552041192
2016	4.8926606779952735
2017	4.69946458376577
2018	4.619812215951655
2019	5.003650963048346
2020	6.1015650726596595
2021	6.419092906681316
2022	5.283389824941946
2023	5.778440801427578