Year	% of GDP
1960	31.571660747607293
1961	33.139865710709
1962	28.423656397571396
1963	30.82362728785358
1964	30.690320455507976
1965	33.53598068382701
1966	32.61422360757936
1967	32.920054449799494
1968	32.98640829881201
1969	33.633560284554086
1970	32.97385178160141
1971	32.09650252650352
1972	30.426291332749678
1973	28.388197511039742
1974	30.568900964182767
1975	26.80653989193741
1976	26.426548927388783
1977	26.964855565834746
1978	25.81716765976889
1979	27.85071283610243
1980	27.08673818084569
1981	28.677194502421926
1982	29.834467777796732
1983	25.30198720250037
1984	26.63066368409723
1985	28.002717679780886
1986	28.478496705217598
1987	27.35469857134376
1988	27.9688328013507
1989	29.61020976172697
1990	28.942536972287776
1991	24.22030188697417
1992	22.346203732360593
1993	23.602441127276737
1994	24.271609541995367
1995	25.993957801414147
1996	24.788598197625948
1997	24.85588280204432
1998	25.64404996266377
1999	26.145894144002884
2000	26.250464029070102
2001	23.393063632842427
2002	24.40742630670266
2003	25.936984813997622
2004	27.063647378915828
2005	27.456826035559224
2006	27.504814498016678
2007	27.501990316090662
2008	28.6033151100897
2009	27.36433967185148
2010	26.779828899684983
2011	26.45915027727045
2012	27.710926860210066
2013	27.8666879140392
2014	26.71703043392647
2015	26.258099023039478
2016	25.39507250430396
2017	24.099937591580662
2018	24.53391870440568
2019	23.261037454577902
2020	22.265264804257587
2021	22.757373374803304
2022	23.573506324518767
2023	23.520006809233696