Year	% of GDP
1960	22.6251451744868
1961	21.467932480132546
1962	21.100603231593766
1963	21.03149104824627
1964	21.232626227492045
1965	21.24049625602573
1966	22.87352228697636
1967	22.18442141055775
1968	21.290397759692954
1969	20.855241798585595
1970	21.69329733503106
1971	22.6488983615893
1972	22.54174154061565
1973	25.470581433644774
1974	34.39806060505312
1975	32.354075442413
1976	33.3268397407608
1977	34.573174199774954
1978	33.82810272290645
1979	34.777653976361634
1980	40.071884516011885
1981	39.0502860028268
1982	36.754074360377416
1983	31.525919564518844
1984	30.487572313970198
1985	27.671358747318624
1986	24.680129220649313
1987	28.01944698773738
1988	29.701265886369036
1989	31.872661477480246
1990	31.462563770073885
1991	31.214178099732244
1992	31.525001738619572
1993	30.294582727944764
1994	31.281048212052696
1995	35.69616151370165
1996	37.014791676518975
1997	37.930335573583115
1998	36.45494862048017
1999	36.48775056401099
2000	40.06142587327173
2001	38.157612348882054
2002	40.80055686374543
2003	41.47358030898029
2004	44.393350842965376
2005	47.24960089814766
2006	48.61734776189902
2007	47.873325319118365
2008	52.14526912610322
2009	41.66153811099856
2010	43.780813772290394
2011	48.02841135968552
2012	47.647039491000946
2013	47.00118044462117
2014	45.06519339597505
2015	41.18551363462491
2016	38.153559683019175
2017	39.91109762747923
2018	43.572840283045444
2019	41.197447925704616
2020	37.66665741878107
2021	43.84707346199213
2022	47.97167068777401
2023	42.88111218704481