Year	% of GDP
1960	19.939190270443273
1961	20.546282245827012
1962	20.699001426533524
1963	21.44976138269057
1964	22.060889929742387
1965	22.84949116229245
1966	22.56920500443306
1967	21.927263074064243
1968	21.93427076520602
1969	22.31915667030171
1970	22.519134336236473
1971	21.75704730052556
1972	21.182213732357
1973	21.656630420655894
1974	21.263734309995378
1975	23.0664985817838
1976	23.354665623340694
1977	21.567383803531563
1978	21.4101078527498
1979	22.467972871137906
1980	22.805405172537586
1981	24.864507762512385
1982	24.116600197264034
1983	23.879232326625054
1984	23.34374276198615
1985	22.160811365803742
1986	22.354997673280913
1987	22.775375222589673
1988	23.054892803357195
1989	23.4863000405794
1990	23.743510963520347
1991	23.138426099533937
1992	22.3050145423398
1993	21.387094116769063
1994	21.01598175316815
1995	21.246729666822482
1996	20.267286292469763
1997	19.913486638825624
1998	19.32781307260059
1999	18.526129477897538
2000	18.968266431052953
2001	19.0369578655221
2002	19.072182295194278
2003	18.502111880882953
2004	17.98981452123713
2005	17.370579729687787
2006	15.595524551740567
2007	15.441924827738859
2008	15.608691077033296
2009	14.507804363262208
2010	13.859573613312914
2011	12.861770015895985
2012	12.48259184632647
2013	12.366775776635121
2014	12.480711385654894
2015	12.517944471392358
2016	12.483644352004184
2017	12.512704501694092
2018	12.457033283317534
2019	12.400891266152787
2020	11.755615999742922
2021	11.922340559023684
2022	12.26695206753087
2023	12.92013280717963