Year	% of GDP
1960	23.175294197673626
1961	35.794855148908546
1962	38.986405093787646
1963	39.85420171433149
1964	38.02979794543847
1965	37.549019607843135
1966	37.179012018848944
1967	39.806041689889646
1968	41.643254400550425
1969	37.51911120171236
1970	34.79843839101636
1971	33.631812446579026
1972	32.41654913023037
1973	32.925767360859155
1974	33.42645966686707
1975	31.952623786807038
1976	32.359633273104464
1977	28.99076923076923
1978	27.685417819833436
1979	30.703278696950886
1980	29.63393835759621
1981	31.315581206869247
1982	32.78570310352177
1983	32.56812238294157
1984	31.539695561479743
1985	27.934357517262313
1986	26.638496530999262
1987	26.320899640394842
1988	25.237686532423805
1989	24.61155195910297
1990	26.584308118377148
1991	24.03406738459803
1992	21.32886137410813
1993	19.307468403840254
1994	19.474282728547436
1995	19.59651961063923
1996	19.325485547540563
1997	17.895276735913534
1998	17.159034760550067
1999	16.064788466962415
2000	14.676241655258485
2001	13.983461352218635
2002	13.301487712642418
2003	12.348998965214115
2004	12.916648166836959
2005	11.641495602962737
2006	10.625760527840498
2007	10.246165756600394
2008	10.169047847793628
2009	9.636185514427034
2010	9.325176940536688
2011	9.177653795351986
2012	9.113713870307512
2013	8.942893962300571
2014	8.64349139629661
2015	8.387014882196029
2016	8.057287534643597
2017	7.463565016568735
2018	7.043020253196253
2019	7.143690277581798
2020	7.698642534163334
2021	7.241017469397629
2022	7.3217600047811775
2023	7.120123879287505