Year	% of GDP
1960	29.44895806337213
1961	41.72578917291669
1962	45.274499146061245
1963	45.78010972193457
1964	43.97195061264496
1965	43.68269528158058
1966	43.447532455168016
1967	45.49737016818241
1968	46.3552000016457
1969	42.50326464244221
1970	40.00699404408899
1971	38.73411585458019
1972	37.47542896088375
1973	37.62365641729478
1974	36.51333297166144
1975	34.90210956655541
1976	33.83212436729373
1977	30.472725598475403
1978	28.151717182956272
1979	31.01137393921282
1980	28.273573765556414
1981	28.198260883556692
1982	28.547511029360894
1983	29.79459955622628
1984	29.282881027764873
1985	27.329380272289317
1986	25.80362721198677
1987	25.66386564397029
1988	24.92418187741538
1989	23.262000191191586
1990	23.29246524054983
1991	21.424372671888715
1992	19.81656682319363
1993	17.626663986117887
1994	17.827603556557133
1995	17.99455925893231
1996	17.697810619846955
1997	16.903216928648323
1998	16.951671845985995
1999	16.06708310174091
2000	14.499941457711552
2001	13.923673663105781
2002	13.510295332667122
2003	12.811071593653878
2004	13.095383862537757
2005	11.934774838843646
2006	11.170288376438545
2007	10.995863838298598
2008	11.092617191811815
2009	10.654586691584475
2010	10.33629934705383
2011	10.221319544602832
2012	10.018698939377611
2013	9.758143858649197
2014	9.397688437265
2015	9.056288116241973
2016	8.766826694139802
2017	8.21295983404445
2018	7.73321343269079
2019	7.794684203165568
2020	8.388034381894016
2021	7.926313482036601
2022	7.9446667574030485
2023	7.76825070463369