Year	% of GDP
1960	75.32407002680507
1961	73.8871650098417
1962	75.99760962825678
1963	72.9479544304704
1964	74.32403859526761
1965	67.7039196149616
1966	66.87473438505654
1967	70.70632571290353
1968	69.16820717943351
1969	66.41938091042117
1970	64.87511186665085
1971	65.46078092239918
1972	62.46013644992624
1973	60.27145110772684
1974	63.7949647851898
1975	50.311462822922415
1976	47.02771859130424
1977	51.78719519288575
1978	52.680349387842064
1979	48.68450091646294
1980	43.056605910665766
1981	45.65180487335252
1982	44.298644690342165
1983	41.58055548590413
1984	35.771339202418055
1985	36.74289310270277
1986	34.728539942778525
1987	35.210848003579066
1988	35.350410607689035
1989	34.07162500843483
1990	29.442248365821698
1991	31.580851872708877
1992	33.1594097787814
1993	34.077092548267416
1994	31.16929416673869
1995	30.73058096698187
1996	32.32870032950469
1997	30.23252472903353
1998	35.41378096991453
1999	35.00259457777561
2000	36.57556007087446
2001	40.18192773301261
2002	41.36693517349864
2003	41.19552630014617
2004	37.37172855612007
2005	39.280520128594546
2006	39.74507857834191
2007	37.09450643790905
2008	38.77500623400405
2009	34.784810274813104
2010	35.82138795667647
2011	33.64676428152108
2012	33.68099382086321
2013	32.23501072954787
2014	33.429044234363936
2015	32.41699527144478
2016	35.26295821254753
2017	35.81686820414395
2018	37.5776218588144
2019	36.99192039314094
2020	38.37557985835073
2021	36.481025800414855
2022	41.3505163572647
2023	47.81317388747304