Year	% of GDP
1960	27.047717039138817
1961	27.17372101812559
1962	25.764134090989256
1963	26.711118417117863
1964	29.21400928839762
1965	29.861268684675135
1966	27.69331348257222
1967	27.380823337128046
1968	25.92310893797392
1969	25.23119860606513
1970	25.396582892070903
1971	29.592266901734632
1972	28.80060371479345
1973	25.55301872044971
1974	27.997760451567157
1975	29.243183588084115
1976	28.596026233821508
1977	26.37757496719751
1978	28.522649086779932
1979	29.46935561462355
1980	27.749453038858064
1981	23.20380627182422
1982	18.735430383793272
1983	21.380515644091126
1984	19.90909810325567
1985	19.023867243196488
1986	17.891607284147533
1987	18.958055539349687
1988	17.756762969816677
1989	16.33511437961056
1990	15.836919302917732
1991	11.005628686028384
1992	12.454620530083835
1993	14.336554907461894
1994	13.976294714659213
1995	10.721668308259094
1996	13.600013381629235
1997	14.800062600552874
1998	19.054880918004645
1999	22.4523237218735
2000	25.503276808988733
2001	28.242319513384917
2002	30.380778357557258
2003	31.592652780655904
2004	31.84293807446275
2005	35.337874783776336
2006	37.43532171965871
2007	43.29667923632947
2008	48.89590961120804
2009	46.98795722116217
2010	43.65581094646493
2011	45.47063405923691
2012	46.92005681062463
2013	49.121864731912815
2014	52.49425932452362
2015	54.4800079961139
2016	57.83711803700544
2017	58.561129890793396
2018	59.36621811631977
2019	55.23326433033267
2020	59.189438200889676
2021	55.55813717851442
2022	51.65467290483571
2023	50.09851931687363