Year	% of GDP
1990	18.8646536473107
1991	21.4143370074283
1992	19.3649105959837
1993	19.1079809727352
1994	16.6512280436149
1995	16.5095925346317
1996	18.813004026423
1997	20.5441532008374
1998	22.3285857605711
1999	25.1877012660667
2000	26.4304332256043
2001	23.5600981244914
2002	12.8693802372281
2003	13.3339218935917
2004	26.27868021447
2005	27.1164931905142
2006	31.2137949993969
2007	37.1171394213765
2008	47.2831916712496
2009	47.0388659098777
2010	49.1202397153311
2011	51.8249067834847
2012	50.6216442958222
2013	51.9064783949216
2014	52.9216428286554
2015	53.6437340385249
2016	54.7197422843129
2017	52.6445006389973
2018	52.4114674494217
2019	50.7860197894509
2020	49.7983891666581
2021	46.2529956652638
2022	39.6490436119706
2023	34.7622984061931
