Year	% of GDP
1960	15.767975138826868
1961	15.253687974524679
1962	13.571183113665262
1963	14.954095171367468
1964	14.524080416372309
1965	13.88821467383259
1966	14.900869126052743
1967	14.162248328027614
1968	14.263766972520854
1969	13.80257756489173
1970	14.922163579442891
1971	15.194613559120736
1972	15.798820589419828
1973	18.155634234559002
1974	22.206862989493025
1975	21.324358740018507
1976	21.023660320030867
1977	21.047869145975245
1978	23.348269449104674
1979	25.32637472360702
1980	28.851180868244057
1981	29.870647798357155
1982	27.164375394442015
1983	26.603475927288716
1984	27.01641940438212
1985	27.187543523463066
1986	25.450686684690726
1987	28.625894337541737
1988	32.62176733310536
1989	31.341982680159557
1990	31.8252007577736
1991	32.75455604490015
1992	36.274397553241556
1993	38.40788711260395
1994	39.317040334143506
1995	40.111020662979996
1996	39.831426430506404
1997	41.92948125103002
1998	42.388642882362404
1999	42.3323408450805
2000	47.11254001604773
2001	46.5612186372537
2002	49.07431613637499
2003	53.714987365945476
2004	59.1192854433092
2005	60.79252509647555
2006	61.70237916601847
2007	60.552125921344725
2008	60.176270750224916
2009	50.26803848041196
2010	53.31474831532625
2011	55.15445689051951
2012	53.838908428023075
2013	52.316187582095225
2014	50.69682783830147
2015	46.94916989534949
2016	44.956362345022214
2017	46.371099668087865
2018	48.4564520568516
2019	46.44187482521227
2020	43.96512463016462
2021	49.27372263010227
2022	52.72708228475154
2023	47.838014377087774