Year	% of GDP
1960	15.598523981388118
1961	15.249476157095511
1962	13.575472079846383
1963	14.957355148292757
1964	14.49858784688283
1965	13.804580571080889
1966	14.907481717560703
1967	14.157455916716017
1968	14.257209791488597
1969	13.860205637373454
1970	14.63124906637144
1971	14.902882532763957
1972	15.561830006603367
1973	17.87072155184637
1974	22.18642403547468
1975	21.46058862113141
1976	21.018686456385318
1977	21.085017208652243
1978	23.38447261713434
1979	25.34145153739729
1980	28.83306784011413
1981	29.845908313909018
1982	27.126927579772794
1983	26.422856582479703
1984	26.977858417023064
1985	27.138764046096142
1986	25.46965511350071
1987	28.76232519253148
1988	32.85949361427732
1989	32.440422669857625
1990	32.497628446545676
1991	32.753434058835104
1992	41.87142550268733
1993	40.762305254433876
1994	40.30640541071996
1995	41.239408141992634
1996	40.778676040124815
1997	42.691277432171574
1998	43.67764015216248
1999	44.49640392082721
2000	48.94364353135351
2001	47.89225852678905
2002	50.31802789115744
2003	54.78689964901272
2004	59.74806738492094
2005	61.33573622014468
2006	62.245349576595224
2007	61.02466319560492
2008	60.738538210281135
2009	50.95893042936663
2010	54.24181535887648
2011	55.87206487493018
2012	54.650837195485764
2013	53.35763877014461
2014	52.01647194701915
2015	48.682541043001784
2016	46.87851600130932
2017	48.28548824515608
2018	50.4720422873104
2019	48.39224220877046
2020	45.960189958483674
2021	51.32056731866758
2022	54.32929000228848
2023	49.34075948303553