Year	% of GDP
1990	14.184102561312017
1991	14.998550405420009
1992	15.484155570188069
1993	15.286127554915534
1994	15.8078305189858
1995	15.501493686621801
1996	16.290630153993604
1997	16.61069935690761
1998	15.113868393037505
1999	14.160258511021478
2000	13.983479142250765
2001	14.183732986760814
2002	13.314056818955159
2003	13.577277250488095
2004	13.315416213460695
2005	13.78183359334771
2006	14.888441196811591
2007	14.549893985617066
2008	14.566941313229014
2009	13.383117950015055
2010	12.84705916416859
2011	13.398278722055162
2012	13.803234378634501
2013	14.215550590995763
2014	14.435456898678838
2015	14.677050281682963
2016	14.509732023032326
2017	14.932138073130401
2018	15.518451436652974
2019	16.06915835181878
2020	15.905254499647741
2021	15.480512438883945
2022	16.082742678948538