Year	% of GDP
1960	57.47431237526372
1961	57.988235951330644
1962	57.0185740229353
1963	57.146668173398965
1964	53.35683664750411
1965	52.818694772884825
1966	53.947370579235866
1967	55.85247836661065
1968	53.555739970898976
1969	55.41281892495709
1970	54.56149999111318
1971	51.03131120667527
1972	59.60990599731427
1973	56.63885299698672
1974	56.636553124966504
1975	61.954139133546605
1976	51.91445693446594
1977	48.898056925939045
1978	54.25030830246783
1979	52.45201205561125
1980	32.82389185154055
1981	31.951516918520312
1982	31.441696330495166
1983	31.046030461936326
1984	34.698632079759676
1985	33.006731566762596
1986	32.36915288853236
1987	32.66390092918715
1988	31.31917779961773
1989	30.561642836345765
1990	30.48983309630982
1991	31.677023235238078
1992	30.517525236127145
1993	27.321085817311687
1994	26.72553755081553
1995	27.30436980259668
1996	23.266208049769023
1997	23.246143749223315
1998	22.587415761431174
1999	22.658411116190937
2000	22.71814807559234
2001	21.848340581525864
2002	20.584134422636602
2003	19.812718297704237
2004	19.266959566285934
2005	18.57103954559642
2006	18.034016510854197
2007	17.80653678239548
2008	17.595695542199223
2009	17.10462905196322
2010	17.00118125929187
2011	16.80998675735028
2012	16.177563173275303
2013	15.493277997590765
2014	15.351620898634371
2015	14.782996436936399
2016	13.464792317603862
2017	12.95727604337327
2018	12.480077185619647
2019	11.97532313589843
2020	11.999686860248516
2021	11.632858427128234
2022	11.21760103515951
2023	11.003690020959768