Year	% of GDP
1980	58.278851797580465
1981	57.25572623278137
1982	54.40609511095336
1983	52.02707371904764
1984	52.81239108714389
1985	53.479409578723846
1986	52.52418604719564
1987	53.168646504307716
1988	52.902173076424006
1989	55.72727614354385
1990	57.90239837943714
1991	53.37214086751284
1992	52.98902996192039
1993	52.98339901245058
1994	53.5937691011377
1995	60.57318311314711
1996	61.20706793631994
1997	58.29598830531392
1998	55.62509287987518
1999	56.71525374586467
2000	59.947661787290485
2001	58.69551179846193
2002	57.2107730841128
2003	56.37155677784895
2004	57.33107725038366
2005	58.64879800999751
2006	59.08694227964425
2007	58.70638404924994
2008	62.763595791733806
2009	57.914812135088525
2010	61.12885380989089
2011	70.13060038402709
2012	71.43307251197757
2013	72.14164238532184
2014	70.39010210301583
2015	65.6264000810938
2016	63.26920327267186
2017	64.56207518422715
2018	66.36275898184665
2019	66.74006050195949
2020	63.83142152263539
2021	72.38999734663857
2022	75.1058182104891
2023	73.65101287150222