Year	% of GDP
1960	59.60754181689225
1963	60.3959547480288
1964	61.6922777669714
1965	62.734686795072015
1966	63.85428165904431
1967	63.09055396722054
1968	62.56691275338052
1969	62.56865514381151
1970	63.332472639879235
1971	60.73705461500318
1972	61.46249743241321
1973	62.65994516165886
1974	61.015250884863626
1975	64.14012661161462
1976	62.33079856387842
1977	61.76230211181628
1978	60.35557545902373
1979	58.61333333333333
1980	56.90040939034782
1981	55.493648038005226
1982	56.704167213466796
1983	57.97784286260028
1984	57.063759615083555
1985	57.16144549809751
1986	57.109948976114644
1987	57.588509019470735
1988	57.20387481145161
1989	56.96809795037143
1990	57.00152323628879
1991	57.77551983643215
1992	56.796002821795746
1993	51.45621948875774
1994	56.271971495539375
1995	56.64879708415985
1996	57.06577746086944
1997	57.95375806344939
1998	55.30410602295587
1999	55.28275790529209
2000	52.32926754162763
2001	50.04262488368464
2002	49.81270113859278
2003	50.242290925516585
2004	49.525590728444286
2005	52.00487665774243
2006	52.295588164046315
2007	53.25969763441972
2008	52.381532113119164
2009	49.51227154263707
2010	48.56227758730572
2011	48.86613779338068
2012	48.98931519581588
2013	49.51439726695949
2014	48.99019774358734
2015	47.875947395659516
2016	48.347417543395565
2017	48.44103659795776
2018	49.08947375198226
2019	47.783525356142704
2020	49.57990282252943
2021	49.11009089832805
2022	49.53903944096535
2023	50.554399702126254