Year	% of GDP
1990	23.787528868360276
1991	22.22222222222222
1992	15.217391304347828
1993	18.47715736040609
1994	20.513685157084247
1995	20.54973929804041
1996	20.5516083799436
1997	20.321947496115367
1998	19.864674910739843
1999	19.50365226908618
2000	19.478530294072566
2001	21.55276826683437
2002	21.02929417750963
2003	21.379304686474423
2004	20.6031789213431
2005	20.785312392899023
2006	19.207362458526248
2007	18.52317648378588
2008	16.52497711702216
2009	16.10007086992659
2010	16.021395493993516
2011	13.44835554687627
2012	13.566697290276208
2013	13.429811305844662
2014	13.754203948919693
2015	14.92158825492159
2016	15.65366670528389
2017	15.653251125316793
2018	15.739862655330281
2019	16.84306623519283
2020	16.964888025059945
2021	16.816015468201424
2022	17.22887772851384
2023	18.056013804700875