Year	% of GDP
1960	30.44535565968884
1961	30.225806041591312
1962	29.147279210141246
1963	29.350111051971947
1964	30.454821210249392
1965	30.117488818725533
1966	29.88092689534368
1967	29.830389916623428
1968	30.591963548658306
1969	30.780049140765005
1970	31.597890052425537
1971	31.94984911293327
1972	29.125053760374986
1973	30.93313452225134
1974	35.941164946944426
1975	33.441813993498485
1976	33.631846600235406
1977	34.889185741040365
1978	33.12614000571173
1979	33.30003150919176
1980	35.62505395841833
1981	32.073457751058406
1982	28.990490695063635
1983	27.164451299797623
1984	24.945988318810357
1985	24.150734039814854
1986	28.49856870885956
1987	28.124890494579553
1988	27.349016215527936
1989	28.21485916127627
1990	25.587918329345825
1991	22.089701091044443
1992	31.243842587003794
1993	30.186794004891855
1994	36.966700932603864
1995	38.19306100897655
1996	38.10076086025069
1997	36.87193738842104
1998	37.48664373160584
1999	37.314467000159254
2000	35.767051579144784
2001	39.02588260808651
2002	38.79194365578624
2003	39.838025167906025
2004	43.36940541992847
2005	46.10919085979691
2006	46.44986652992213
2007	46.379477636895636
2008	48.66123020104318
2009	42.70291104172522
2010	47.00677869699419
2011	53.032193898742584
2012	53.93115796354157
2013	50.86443426074504
2014	48.89409547649991
2015	46.286695605924486
2016	42.400061908870924
2017	42.921087990000785
2018	44.5017836092796
2019	41.476920402742124
2020	39.11993954033134
2021	43.51718256567796
2022	46.44605240415787
2023	39.77018091666771