Year	% of GDP
1960	7.4885179791643335
1961	6.327435884362413
1962	7.839220462850182
1963	10.76999818610557
1964	13.330105704833372
1965	12.792633256596423
1966	13.49699142235309
1967	12.319248297980081
1968	11.996030917067056
1969	11.444049432876248
1970	13.059412368327363
1971	12.779823197023093
1972	12.545497777696488
1973	13.34973033841048
1974	9.502621960908947
1975	7.371630555030895
1976	9.816360344880488
1977	9.797125838074631
1978	7.933240328013882
1979	6.338660441731012
1980	6.9532280862075595
1981	9.268645127895441
1982	8.3227675307488
1983	8.463254726430964
1984	7.6974383161585695
1985	6.287103654081164
1986	10.949367580636384
1987	13.856054108534984
1988	12.447641285244504
1989	12.633664395351706
1990	13.478233947821291
1991	17.399274936311972
1992	16.994101792576267
1993	14.606869708391812
1994	16.677865382744994
1995	15.832708977116944
1996	14.472734064625858
1997	13.230836894105865
1998	16.66905681685773
1999	13.951978284625637
2000	14.109977895503414
2001	13.672043911100968
2002	14.359339775110735
2003	14.993991446019727
2004	13.688373525409386
2005	10.891629543465035
2006	10.330389746113658
2007	9.998207880337178
2008	7.399095767671664
2009	9.032822504446312
2010	9.246994711338102
2011	9.234101683545692
2012	7.597939383919459
2013	8.4471012513826
2014	7.827674332949266
2015	9.07188526939125
2016	8.707601935141488
2017	7.304076225291727
2018	6.605834526883392
2019	5.375794426833071
2020	6.696379074063078
2021	5.607470777259745
2022	3.433015536484907
2023	6.381777915619166