Year	% of GDP
1960	7.042268199868426
1961	7.376593192696449
1965	12.824438555190756
1966	12.95881449992372
1967	13.87509752895788
1968	14.132634351918869
1969	14.021592847207584
1970	12.886531573722365
1971	19.023625476333056
1972	14.843777954908226
1973	14.5997706020532
1974	13.071642116440174
1975	14.479742851264673
1976	17.03760513515957
1977	17.319091920008788
1978	21.620072440675763
1979	19.799728867906133
1980	19.928878679670873
1981	20.156040950709635
1982	17.976349018444058
1983	17.07925108748831
1984	18.461426979133925
1985	19.330818815563877
1986	16.455209999193148
1987	16.793026987442126
1988	15.186647060398665
1989	16.538941947638847
1990	15.390018214266888
1991	13.952014371555647
1992	14.373863278120632
1993	15.572367587779517
1994	15.704244474714876
1995	15.51619931829175
1996	15.060364487479733
1997	15.309688076108166
1998	16.116885820080316
1999	18.66585486862399
2000	20.397649567359494
2001	18.137817721437948
2002	17.993673376042224
2003	18.504733863281718
2004	20.862930026081646
2005	21.542452513162
2006	21.63660498853711
2007	21.416542033875764
2008	20.57809858001865
2009	19.02273539252212
2010	18.507485575823836
2011	18.781083143218027
2012	20.60611444782324
2013	19.739445653317578
2014	19.25024276054667
2015	20.276369537500763
2016	20.692959511450486
2017	21.170681936694688
2018	22.337216015953985
2019	22.38347828016239
2020	19.58846675582753
2021	22.163114965474456
2022	24.976721648872353
2023	24.92779508814367
