Year	% of GDP
1960	54.168666986717874
1961	53.97572078907436
1962	54.136947218259635
1963	53.824326067328776
1964	53.840749414519905
1965	53.3476164970541
1966	53.48241552556399
1967	54.01291921068931
1968	55.19130150425114
1969	54.598327880770626
1970	55.410398522037475
1971	56.14548494983278
1972	55.52371856096785
1973	54.10908460771997
1974	52.43395085872773
1975	52.17144658052316
1976	52.53612050415002
1977	52.93028211893647
1978	51.60219270879758
1979	49.35568952524491
1980	46.89461062366271
1981	48.085980988267536
1982	49.47146104035336
1983	50.67502635728347
1984	51.24873209964299
1985	50.721500219269245
1986	50.485628035175225
1987	51.58941745103027
1988	50.97889909809297
1989	51.31494909931368
1990	52.43908048091694
1991	54.18117533615471
1992	56.94918651177107
1993	57.309575309394404
1994	57.314076471076916
1995	58.23144461317589
1996	59.214983285732984
1997	59.96232592506176
1998	60.40230229492259
1999	61.40646313804099
2000	61.185980872545706
2001	60.78314972239869
2002	60.791789515512995
2003	62.57694150251014
2004	62.52950229004255
2005	62.64477433170115
2006	63.499432288098866
2007	62.75451262099708
2008	61.53714054070454
2009	63.63608831950728
2010	64.27526260967426
2011	64.34219812641858
2012	64.30451115426732
2013	64.05374264563942
2014	64.01178184770657
2015	64.10257577902946
2016	63.91340152383399
2017	64.3304256202533
2018	64.25317596545285
2019	64.34730482957531
2020	64.63053481357774
2021	62.94458623238661
2022	62.29666354842001
2023	62.9773871326823