Year	% of GDP
1960	4.3126626192541195
1961	4.09789064099939
1962	3.6558727725617897
1963	3.64841297523544
1964	3.86589013064694
1965	5.904667888873219
1966	6.730521985086139
1967	5.40460370194589
1968	5.1039059949951
1969	5.51204188481675
1970	6.1583876221498395
1971	6.7355332376853205
1972	6.865955511452911
1973	6.21064272703617
1974	6.09099631368984
1975	6.321520245093979
1976	5.88947199314555
1977	5.5474116781158
1978	5.50329966329966
1979	5.45327429503612
1980	5.52324446699715
1981	5.71087057573544
1982	6.37571708663133
1983	6.64379805914383
1984	6.659491457016011
1985	6.92213359819193
1986	6.99165601052428
1987	6.97188008366256
1988	6.78581073127497
1989	6.53272525576236
1990	6.52232023523122
1991	6.57095278815428
1992	6.69818754925138
1993	6.42731262310377
1994	5.9235482929676095
1995	5.82022528285793
1996	6.0371663050655595
1997	5.6212164889017
1998	5.4150950442544
1999	5.18989926490607
2000	4.168722713814961
2001	3.87893394479455
2002	4.07377016787657
2003	4.09142718735613
2004	3.9560341166914705
2005	3.89701939256291
2006	3.64525520437771
2007	3.5119861001109802
2008	3.45937100362745
2009	3.26522399322955
2010	3.42369097294437
2011	3.2856508160232503
2012	3.4843339236275703
2013	3.47561387186447
2014	3.4852508889476495
2015	2.9853813205902298
2016	2.94895743710225
2017	3.0823178270065603
2018	3.2673590070103202
2019	3.28551548641494
2020	3.0192758324750697
2021	2.87198606564158
2022	2.6307402802317097