Year	% of GDP
1960	10.835191288948536
1961	13.393812755024461
1962	13.286831306063213
1963	12.374507233029618
1964	11.482241252142222
1965	11.045576407506703
1966	11.54850233580654
1967	11.559418785677218
1968	13.218000604047115
1969	11.329238595162076
1970	10.582788072523849
1971	11.096359256397436
1972	11.985435853501821
1973	13.284482758620689
1974	13.526684555754324
1975	15.567328554557688
1976	16.21774955142129
1977	16.30982094411286
1978	15.928835623889473
1979	15.719323694856794
1980	12.904285338266739
1981	14.201436860900207
1982	15.262473394105303
1983	16.141264524641727
1984	16.37237922715919
1985	15.19316770407432
1990	13.706339325413367
1991	17.253894327217164
1992	19.658118029637876
1993	21.181580332776935
1994	21.4878081255146
1995	24.53418162129121
1996	24.06889658954525
1997	40.541180255845525
1998	37.52991800770055
1999	40.45960056041927
2000	43.66101074525376
2001	38.13360700011369
2002	37.03591754142557
2003	36.30302764135193
2004	36.59064158070686
2005	39.78454176743707
2006	41.96924850671825
2007	50.41580790026662
2008	55.05885560214496
2009	58.04497021765237
2010	61.68199596062478
2011	64.76176130107638
2012	65.74378647588381
2013	62.86274101092882
2014	63.03970145457115
2015	58.39652293227853
2016	59.18966013591211
2017	58.224783574811624
2018	57.766605898665624
2019	58.81873593188567
2020	66.00824187639614
2021	61.90312798305763
2022	63.751728810770146
2023	59.801132352441755