Year	% of GDP
1988	41.940548790105545
1989	43.819255218493225
1990	42.069955928969414
1991	42.352485981872256
1992	44.31080425285162
1993	44.636286173187656
1994	51.506279812187756
1995	52.434847342531555
1996	52.1491204366414
1997	51.12479851334505
1998	52.06068919034093
1999	50.58083347867772
2000	53.67789354091592
2001	53.01266630595819
2002	55.068421366692846
2003	55.96591245376083
2004	58.648343080337966
2005	60.49919782574673
2006	58.14736398926248
2007	62.0227980398748
2008	64.0057721089917
2009	57.785985349429616
2010	62.71969057525884
2011	64.46699313543057
2012	64.26219471564983
2013	60.77702140863154
2014	59.83664598190481
2015	56.9127925009333
2016	53.49468418778737
2017	54.286621829072814
2018	55.12411147461638
2019	54.295670734159984
2020	48.43551934811332
2021	52.838199479606004
2022	58.083466427145225
2023	52.84967467692678