Year	% of GDP
1986	21.8267819758419
1987	22.127560975067595
1988	22.98763777605837
1989	23.92517873335499
1990	23.311938573602404
1991	21.91004399494546
1992	22.34264011331286
1993	21.201294707417304
1994	21.16623709080149
1995	18.494629791178145
1996	17.55629644115959
1997	16.68611368013751
1998	16.813546185685986
1999	21.681165650526417
2000	21.478371553375716
2001	21.293549296840546
2002	19.811317392430936
2003	20.916162537355163
2004	21.24901551525355
2005	21.245280585149867
2006	20.99689528341784
2007	22.736953854381774
2008	23.72813328693394
2009	25.336044439863493
2010	23.022508289071233
2011	23.05665518210967
2012	22.74548198339737
2013	22.962356071326276
2014	23.255312485173835
2015	23.216238766428976
2016	23.527496902013596
2017	23.54597440082531
2018	22.50805200479756
2019	22.282169473143718
2020	21.850351199207942
2021	22.124535071660027
2022	22.622010936714993
2023	23.888037767825825