Year	% of GDP
1986	21.8267819758419
1987	22.127560975067595
1988	22.98763777605838
1989	23.92517873335501
1990	23.311938573602415
1991	21.910043994945468
1992	22.34264011331288
1993	21.201294707417308
1994	21.166237090801488
1995	18.494629791178156
1996	17.556296441159596
1997	16.686113680137527
1998	16.813546185686004
1999	21.681165650526417
2000	21.478371553375712
2001	21.293549296840556
2002	19.811317392430933
2003	20.916162537355156
2004	21.249015515253554
2005	21.24528058514987
2006	20.996895283417846
2007	22.736953854381785
2008	23.72813328693395
2009	25.336044439863493
2010	23.02250828907123
2011	23.05665518210967
2012	22.745481983397358
2013	22.962356071326266
2014	23.25531248517382
2015	23.216238766428972
2016	23.52749690201359
2017	23.545974400825298
2018	22.508052004797552
2019	22.282169473143707
2020	21.850351199207918
2021	22.12453507166001
2022	22.62201093671497
2023	23.888037767825804