Year	% of GDP
1960	34.56949789270571
1961	33.23991463693966
1962	32.145502066426744
1963	32.8708077904326
1964	35.580139594912545
1965	35.35702865640813
1966	33.27589203231788
1967	32.79161658292557
1968	32.0004037370756
1969	31.46517401219116
1970	34.03174107095448
1971	34.94879550077563
1972	32.62260439246298
1973	33.508536729008625
1974	38.70447684785963
1975	37.46898846438251
1976	34.74289434106527
1977	34.02901861405544
1978	35.74816144816726
1979	38.636156995374414
1980	45.33230489453157
1981	41.389293354277164
1982	37.31074665465591
1983	32.86819670226065
1984	34.370745861533784
1985	35.00214769341534
1986	36.58368515946431
1987	35.33628916196639
1988	36.02502394105508
1989	34.7204098100029
1990	30.686991460125927
1991	27.99876057479752
1992	32.64821124495781
1993	34.311501458080365
1994	36.960516818464534
1995	38.574816832240245
1996	41.01360037277909
1997	40.99528343929516
1998	39.72489367280397
1999	39.60424232743463
2000	40.3173548013613
2001	43.408177132716986
2002	44.37023655099003
2003	42.12956261863351
2004	43.59048302945013
2005	45.45111663482979
2006	48.35821673594918
2007	51.035707911588226
2008	58.285670913046154
2009	46.47371965395708
2010	48.918678550243506
2011	53.90427682069512
2012	54.24198657922799
2013	54.61136282254932
2014	52.61605658377841
2015	48.16889385868086
2016	45.95971922541492
2017	45.601554824500006
2018	47.35072375900288
2019	44.6940104783571
2020	41.76717602692687
2021	47.344893833113645
2022	49.952511617231586
2023	44.09002754860736