Year	% of GDP
1960	38.95329294764505
1961	39.71419059671321
1962	40.11403643012661
1963	41.13268943158433
1964	44.13483312852123
1965	44.454299379039384
1966	44.67408961779753
1967	46.35885749703817
1968	48.13997699682272
1969	51.00310910339005
1970	49.63957643247439
1971	49.42686989433562
1972	50.46127584743808
1973	51.20729653411414
1974	58.44384368067333
1975	54.71539783843898
1976	59.156196395354876
1977	60.576923730984134
1978	57.6396692757946
1979	56.53761127229738
1980	54.379273565680805
1981	54.877933259990265
1982	54.58658184692475
1983	56.63749814233774
1984	56.317243182057275
1985	53.71634569461507
1986	50.256025595665285
1987	48.45280202745344
1988	45.30984861656745
1989	45.49986318794364
1990	41.23436156837918
1991	42.10759370652959
1992	41.548313786097815
1993	49.03090118926564
1994	53.69654555669414
1995	54.504394192694264
1996	36.93197077346937
1997	34.44408129136094
1998	34.09887944372969
1999	36.00029171932714
2000	34.67687694007002
2001	35.18316691445543
2002	35.472387041315024
2003	36.19859438524703
2004	38.37306866070132
2005	38.81677836559455
2006	37.94481922963917
2007	38.76728707327282
2008	37.77954520783736
2009	38.66536012285989
2010	37.832201102879395
2011	34.013135247308156
2012	39.68673699382548
2013	38.81344497377061
2014	37.31514380100137
2015	54.13261217349673
2016	54.493573696894
2017	55.75003541133741
2018	55.61864798127293
2019	54.99747689328611
2020	55.57281213519507
2021	54.100032900751586
2022	53.73144756316
2023	54.253405148593494