Year	% of GDP
1960	41.30948318130901
1961	39.00933708649469
1962	37.650310556348074
1963	38.049802399071325
1964	39.812662295081964
1965	39.10017632565613
1966	36.140014737464284
1967	36.60233807627644
1968	34.99604314911707
1969	33.99284737186477
1970	33.87155899973608
1971	33.51832178093645
1972	32.860281226785524
1973	33.75244852488844
1974	39.97179350709384
1975	39.811773261897265
1976	36.77966150127155
1977	35.68181527805967
1978	39.504014740618594
1979	43.22268402599849
1980	50.46645688642533
1981	46.79226019036201
1982	42.00034444015609
1983	35.67519065879215
1984	39.021958585382606
1985	42.83628182014353
1986	42.77431365605126
1987	37.80567813177309
1988	39.04138957645904
1989	37.655605939766055
1990	33.27934863044152
1991	31.144118503241014
1992	29.38155341583934
1993	30.037077226720022
1994	31.704866160490514
1995	34.00511394133321
1996	36.3911092319911
1997	37.88953489731791
1998	36.34652583156899
1999	35.24555998858906
2000	39.3258093593174
2001	42.461817874182664
2002	45.6976656372092
2003	38.69170659817438
2004	38.940308745873125
2005	39.44026639841463
2006	45.05054852759328
2007	47.50671595355593
2008	57.70451197975554
2009	41.16128236105218
2010	45.088239497318455
2011	50.90468292334405
2012	52.20067114676525
2013	55.497820441410575
2014	56.39917036644798
2015	53.54708898022547
2016	51.889220926150095
2017	49.947199383248524
2018	51.31042505247808
2019	50.74229667599871
2020	50.221791625640975
2021	56.54628129322718
2022	63.9345267336331
2023	63.95282336924464