Year	% of GDP
1960	57.22979032326943
1961	57.46134908911866
1962	57.37004885249358
1963	57.48502994011976
1964	56.4935340258639
1965	55.76928109706629
1966	55.4910293869075
1967	55.49388575576526
1968	55.738460121003655
1969	55.2426890696474
1970	54.266575442727806
1971	54.29553754850491
1972	54.168716890220914
1973	53.530739017799945
1974	53.950938061212796
1975	54.55408774101647
1976	54.59260780890056
1977	54.42183522540229
1978	54.091607958326634
1979	54.28492503955199
1980	54.74334285145096
1981	56.199692147808264
1982	56.4556672565526
1983	56.161761812234055
1984	56.11091467123036
1985	56.61531314299138
1986	56.05821781594803
1987	56.68909312451299
1988	55.618856157757925
1989	55.279950978868165
1990	55.205942597665405
1991	55.05672319903271
1992	55.111261619317
1993	55.36752299891693
1994	55.001962085557096
1995	54.71047950664588
1996	55.126067464899634
1997	54.13416234973239
1998	53.95807073916929
1999	53.61302898860028
2000	53.85737039128627
2001	54.12079053439085
2002	53.97312934831143
2003	54.24440075404773
2004	54.05297710882332
2005	54.394885342076726
2006	54.236423322553186
2007	54.11628961140643
2008	54.465915136670716
2009	55.377443553109806
2010	55.35569032856894
2011	54.98251285362342
2012	54.7188726180149
2013	54.63569856068589
2014	54.309703618767635
2015	54.046247507314305
2016	54.26329455461166
2017	53.984386494761985
2018	53.88176562831898
2019	53.60917446623469
2020	53.19647843329456
2021	52.57505841051461
2022	53.392227326671446
2023	53.72512575362991