Year	% of GDP
1990	17.981419849131107
1991	18.135220624019432
1992	18.752570108547058
1993	17.30203231985021
1994	16.974370183232775
1995	13.627821273822354
1996	11.457120861056763
1997	10.260382413983352
1998	21.03386762096622
1999	18.218331420488195
2000	17.462796824130972
2001	18.316793092619083
2002	18.08809509470471
2003	20.684386505419287
2004	24.493580572415556
2005	27.395897917004525
2006	30.323964451819695
2007	32.65121734604314
2008	37.489521696772286
2009	34.35567687292886
2010	32.017244306363125
2011	34.73603330352233
2012	34.84510150832514
2013	37.470607348422966
2014	37.65396656325614
2015	32.758692284560716
2016	32.17478605096546
2017	32.354141404314966
2018	38.37657448364964
2019	39.72640572765705
2020	38.74648749246034
2021	39.68667886060014
2022	41.06776240807321
2023	40.251957085814034