Year	% of GDP
1965	83.21609180438962
1966	78.59443799614185
1967	81.29379077321619
1968	78.17741666956597
1969	76.36753943735604
1970	76.00028306258865
1971	79.32443812150028
1972	78.52063208552771
1973	76.3670116615871
1974	73.09962172599333
1975	68.7211339729559
1976	67.17148147668716
1977	69.819572822851
1978	70.41639698958399
1979	69.13534115601702
1980	69.48318085857044
1981	56.74424314672238
1982	58.814934140025485
1983	64.25088366822688
1984	66.79605097291477
1985	66.31007194444867
1986	70.4861882872442
1987	70.12982539045693
1988	70.67620766016339
1989	72.36205210961197
1990	72.23248411506806
1991	70.9487158810243
1992	72.53196632199054
1993	72.81365133303235
1994	69.96331704852126
1995	66.0562567317113
1996	64.61005018683078
1997	64.20812963879162
1998	63.00632493076404
1999	73.04217598846854
2000	72.51332514660167
2001	72.65763527459868
2002	70.24074429244779
2003	68.93845083744263
2004	66.37320734990412
2005	65.08145396203238
2006	62.81421945005108
2007	63.17397675403736
2008	63.21601377574465
2009	64.37118938906683
2010	62.11818554786623
2011	62.83984621366261
2012	63.482108006051
2013	63.737430840764276
2014	64.05865197845769
2015	66.41833222769148
2016	67.71597260688692
2017	67.57817103134555
2018	67.4783929668768
2019	67.7513771923732
2020	68.62223393049548
2021	69.46592952546158
2022	69.67892386149953
2023	69.65592660133163