Year	% of GDP
1960	11.74578484016736
1961	11.211120307919868
1962	10.323175117606453
1963	11.649646902763596
1964	10.857566652923637
1965	11.914795917035294
1966	11.861171451230675
1967	11.618427659242323
1968	12.065699163895616
1969	11.802359480662318
1970	13.047268973158085
1971	13.1795421172112
1972	13.794661352054547
1973	16.198395601260565
1974	19.912313383872906
1975	19.279784840537168
1976	18.954278474663006
1977	18.87550536363013
1978	23.08946790596313
1979	24.727470269004588
1980	29.279499735330322
1981	30.6297437753507
1982	26.796181962103244
1983	26.178962574852967
1984	27.351017206320257
1985	28.050830923842078
1986	26.569614925412235
1987	30.50558711138182
1988	34.97252720994475
1989	33.49093903122581
1990	33.68290684869426
1991	34.407226825216554
1992	46.984862992348006
1993	45.806628547294615
1994	44.60632555834896
1995	44.66240194195127
1996	43.380172212422416
1997	44.470414601471525
1998	44.73435501940554
1999	47.284432461149
2000	52.13957747985382
2001	52.0524862331451
2002	54.212079601223394
2003	59.95685485199055
2004	65.77008124007378
2005	67.38267767700009
2006	68.71887531661791
2007	67.52821673609351
2008	65.73434798342795
2009	55.460050732290874
2010	59.36484233402083
2011	60.55584719079386
2012	59.314820156921876
2013	58.17900827313946
2014	57.234601899239934
2015	54.21277166484683
2016	52.39119233621867
2017	53.27328435901387
2018	54.103288325989965
2019	53.068605499032444
2020	50.927689820648254
2021	52.81937350042396
2022	54.942486626583
2023	50.05929515977219