Year	% of GDP
1960	25.594895417115744
1961	23.253318069616856
1962	23.868462565222668
1963	20.727043019456104
1964	19.695789751929578
1965	16.30447021731787
1966	16.34312430125013
1967	18.08078855817549
1968	18.487628579371698
1969	18.480292563998375
1970	17.953025520026927
1971	18.00984896489649
1972	21.276427291939218
1973	22.560786276015012
1974	25.61902824623167
1975	28.878820207268284
1976	22.294883360749083
1977	21.074541501166316
1978	18.646702222034474
1979	22.026452316869136
1980	20.345740626802538
1981	21.613551077195723
1982	16.43991895275419
1983	16.97814607183914
1984	21.733423008452647
1985	26.16301952642372
1986	22.939538375879465
1987	25.525495902444252
1988	34.48172021734829
1989	30.67167221003467
1990	30.61070790912303
1991	40.077973155229344
1992	36.80375031609557
1993	36.38933239754654
1994	36.20853991800653
1995	35.22672162241663
1996	34.88670972567521
1997	35.2222875438087
1998	34.309884279100004
1999	34.98110210746652
2000	35.497825141764174
2001	31.890620088626743
2002	30.72401015558903
2003	42.15299816027078
2004	41.14747664188534
2005	28.3311381514539
2006	28.22491626919468
2007	26.762022011961196
2008	23.906736494061786
2009	21.030928100390415
2010	22.67575220595484
2011	24.186975308385016
2012	24.58317786551099
2013	25.167158726999954
2014	25.151390558069124
2015	23.761582299420443
2016	23.909379521892955
2017	23.682145342638485
2018	23.551431305200268
2019	23.06928204129234
2020	18.295697159593235
2021	21.752702080816658
2022	22.062731541380806
2023	21.138756133072857