Year	% of GDP
1960	25.414393097234587
1961	25.42510388067134
1962	23.731711924257432
1963	23.920288910140115
1964	24.63716129049783
1965	24.36489481555
1966	22.382435974787338
1967	22.904106454701743
1968	18.357708790934165
1969	22.484026778753808
1970	19.55991544605422
1971	22.398852119582983
1972	23.25351864994379
1973	20.52541331502947
1974	24.64319803714197
1975	20.574844289658955
1976	21.055759044831145
1977	24.48968388796687
1978	26.603253041276982
1979	22.78524468338668
1980	25.37488090237853
1981	25.82635514574287
1982	21.764817798928732
1983	20.66603512394031
1984	18.7818348918223
1985	18.951606551684588
1986	23.56884713287288
1987	25.4075922319273
1988	26.110107369287643
1989	27.089916069883902
1990	24.072003016286857
1991	22.0454532471388
1992	22.67005640139493
1993	21.07743001729387
1994	21.286271739847336
1995	19.82476482625291
1996	18.537815432672133
1997	20.308944459657695
1998	23.99565773712197
1999	19.628462805792584
2000	17.16695040724307
2001	18.49130812375376
2002	19.656262575451784
2003	15.77307667366549
2004	16.25031854714826
2005	17.46450103378078
2006	18.118128561742964
2007	18.317559777105632
2008	21.565940792586286
2009	21.173235141212633
2010	23.490015873351496
2011	23.532091145328764
2012	23.013303645767653
2013	24.883352893860756
2014	24.70589078266225
2015	22.686435833809675
2016	20.246050859108415
2017	22.480387821336105
2018	22.540439123332806
2019	21.04923323747057
2020	17.58491315830584
2021	20.97264189289495
2022	22.29361448891338
2023	21.44853659847169