Year	% of GDP
1960	49.87486061206789
1961	49.922842070776376
1962	49.18082538437476
1963	47.51292127415441
1964	47.243398106626806
1965	49.06616017727129
1966	48.03328290468987
1967	45.83876103632942
1968	44.42645074224021
1969	45.36959386605966
1970	51.02812048460598
1971	54.045243504889854
1972	54.49765258215963
1973	58.59657782165186
1974	60.487705474799625
1975	70.61593520436993
1976	71.87104155600049
1977	73.28725961538461
1978	73.65537311824095
1979	65.21779782844987
1980	71.76304223813082
1981	58.32647872579078
1982	50.241102181400684
1983	53.05758071715518
1984	49.756680299123104
1985	48.37571786659303
1986	53.09797344472447
1987	54.7544975282531
1988	54.274395897654884
1989	54.376227755144
1990	53.28290739503703
1991	49.372540640732595
1992	48.202943492109796
1993	48.28488218355634
1994	46.16984866837717
1995	45.29538761007077
1996	41.03720151732521
1997	38.11995974960334
1998	38.25104851226842
1999	34.785978748454845
2000	27.509106881360836
2001	27.85024147952726
2002	23.433428002667533
2003	24.50702257748249
2004	21.670352642217885
2005	25.0749361336647
2006	24.034932983870263
2007	22.27811367886889
2008	21.384598562560704
2009	34.872859937466046
2010	32.86800907765357
2011	28.969247477790205
2012	27.177257747557977
2013	26.03032374029592
2014	24.819975935343738
2015	23.4723696930371
2016	22.66032278698873
2017	23.458835382742553
2018	23.250293541273393
2019	22.945508806556425
2020	23.929033720510283
2021	23.84180382721719
2022	24.011722052955268
2023	23.76798917101158