Year	% of GDP
1989	2.126198240209547
1990	2.931474784381286
1991	3.073854626281392
1992	3.5095319699175676
1993	3.6726289838809705
1994	2.885969007305312
1995	2.5691083952061264
1996	2.055086639124928
1997	2.7140232031301053
1998	2.9371690773305956
1999	3.4228953028569613
2000	3.9018318900551243
2001	4.6196015873828635
2002	4.610940762721457
2003	4.526914734113286
2004	4.4154312085854315
2005	4.438228629405345
2006	4.260122788519274
2007	4.289486961442947
2008	4.56983243790034
2009	4.370992104125972
2010	4.429865522226928
2011	4.480933606424405
2012	5.068066391468641
2013	5.26579513677449
2014	5.5393322983363475
2015	6.271146463020699
2016	5.722774478912322
2017	5.240724426278743
2018	5.603556669815363
2019	5.580944721677483
2020	5.398317306050887
2021	5.382383005650863
2022	6.1580363389343145
2023	5.887915963048333