Year	% of GDP
1960	19.272718414546517
1961	19.205301006534754
1962	20.32786631980682
1963	19.558359127864755
1964	22.413789818668732
1965	22.22221951219512
1966	21.391750000000002
1967	22.084362282878413
1968	20.010596558413415
1969	20.047958196159094
1970	20.088147195678204
1971	18.928888477741484
1972	18.950335094970185
1973	19.522272364468247
1974	19.930908830961688
1975	17.128411126761716
1976	13.543208892868282
1977	12.356294097137075
1978	14.080348670856829
1979	15.630469649315856
1980	15.142519008969508
1981	14.989407627006438
1982	15.90076681650956
1983	16.892406157679265
1984	14.244706713907867
1985	15.12849219524122
1986	15.587409654519396
1987	17.4631935324789
1988	16.132003355027763
1989	15.800972476970992
1990	15.379791207250385
1991	16.63007923987369
1992	17.126588409062325
1993	15.250080778121141
1994	16.48369786023835
1995	14.913290644729635
1996	12.906606205556137
1997	11.854070023441025
1998	11.460302830117595
1999	16.983236523576753
2000	16.284531790337006
2001	14.010137163362469
2002	13.829375530599208
2003	10.357838835437008
2004	10.432600033007548
2005	8.707973734647357
2006	6.8580671011230665
2007	6.366866727221551
2008	7.052392414460217
2009	7.1843900291686715
2010	7.636182700053388
2011	7.147708756928391
2012	10.919885982797542
2013	17.35920512584191
2014	15.530933818452336
2015	14.776798538189015
2016	14.408108617903018
2017	14.067034314947596
2018	7.700010002958736
2019	8.044640002265105
2020	9.677040002195211
2021	9.140750003414983
2022	8.335279997238242
2023	8.335279996945781