Year	% of GDP
1960	11.964785914365745
1961	13.954259197878688
1962	15.605356654823721
1963	14.657666345226616
1964	12.38339867513857
1965	14.32523454414241
1966	18.21592721133102
1967	19.678745432399513
1968	22.63571386378404
1969	22.452207710037513
1970	21.12207680755203
1971	23.013379872018618
1972	21.442463153455023
1973	27.65364644582346
1974	33.30044275774826
1975	31.328957851208315
1976	28.349040959593168
1977	27.876569880858337
1978	29.22180921902642
1979	30.889782515438718
1980	37.09166245018892
1981	37.19141208541206
1982	32.86108793330377
1983	30.026542264185863
1984	28.463837600345077
1985	25.785404920248222
1986	28.13931629409103
1987	28.184897344076887
1988	26.21437627530315
1989	25.55509047549544
1990	25.755972640087915
1991	26.048504398899542
1992	24.687037005009714
1993	23.246207817532323
1994	24.595147189185095
1995	26.739769989528334
1996	27.85200149373262
1997	29.177523026676294
1998	28.960790952901007
1999	27.171930821214872
2000	32.15599115086619
2001	30.436056169736332
2002	28.580284993283772
2003	29.77676401569208
2004	33.261378416959545
2005	33.04172822789921
2006	35.02545491429756
2007	36.48234559727886
2008	47.874467225169624
2009	40.94826745842714
2010	44.29585958443419
2011	52.22858168101481
2012	51.36427640250608
2013	46.660033844185484
2014	42.78302103185884
2015	36.142932861380956
2016	33.47115855447755
2017	36.18671086565319
2018	37.27557467034694
2019	36.48127789785815
2020	32.67445454181017
2021	38.3222274220465
2022	48.2646450676456
2023	43.94400932170368