Year	% of GDP
1965	57.03542520233812
1966	55.898872043236466
1967	55.132844620827605
1968	51.58023789598558
1969	51.51754681396472
1970	52.194175900282744
1971	51.5930339315232
1972	49.49916876751407
1973	44.56678315265
1974	36.778154109052004
1975	43.42993280101283
1976	38.55118243959725
1977	41.499389781614695
1978	44.59609391134501
1979	42.288526167545754
1980	41.328960849042566
1981	47.54790843016038
1982	49.49827635037036
1983	51.65519030961227
1984	54.1790442587273
1985	55.06838418929551
1986	59.99690392357315
1987	56.62567031956842
1988	58.79943444688786
1989	61.977513488889244
1990	51.978138630217494
1991	61.21031650261738
1992	61.612299489437525
1993	65.23881358550125
1994	63.91700888557753
1995	61.86648813184355
1996	59.927379756180244
1997	60.895007359819964
1998	62.72176698882092
1999	57.42977168403751
2000	53.8295589581172
2001	55.03656611417467
2002	54.6249170226809
2003	53.3595085500135
2004	50.72946557227107
2005	48.53193804232373
2006	47.85629416222973
2007	48.30364142579392
2008	47.15617756594928
2009	54.17422445100664
2010	51.32443336107478
2011	50.30861561259764
2012	53.58017896019543
2013	54.53405594081858
2014	57.63803707607856
2015	63.28239206571206
2016	62.89624560181507
2017	60.05045351782845
2018	58.803451313934985
2019	60.63744221524042
2020	65.19034488563817
2021	61.28158762500434
2022	58.237964660338434
2023	58.4081493357679