Year	% of GDP
1960	2.6764405046028
1961	2.2329096530401897
1962	2.1870409662151102
1963	2.42061426340448
1964	3.1635519726395502
1965	4.01104972375691
1966	4.72825522186428
1967	4.49702929727515
1968	4.453163315350659
1969	3.9222677839187003
1970	5.16527178966946
1971	5.37244307217291
1972	4.978902953586499
1973	3.8722426961491205
1974	4.182343162131421
1975	4.72416263657532
1976	3.98077265444187
1977	4.854669140383431
1978	3.7111334002006
1979	3.6705152507323797
1980	4.23013431379905
1981	5.78515265651849
1982	5.36761533421755
1983	4.42337175628868
1984	3.75235700817096
1985	3.4516587065961
1986	3.2237338324440596
1987	4.14749953752235
1988	2.4261123741474497
1989	2.62370169053434
1990	2.55540346486845
1991	3.19928362097037
1992	2.98642173584104
1993	2.87524536278848
1994	2.84711528130931
1995	2.7513451070467
1996	2.40056437500985
1997	2.08555865079224
1998	1.60533534809333
1999	2.10148156029312
2000	1.63467554804841
2001	2.0849228116251997
2002	2.21913139689937
2003	2.61480673115727
2004	2.2630619684082602
2005	2.17392904054248
2006	2.00759740140051
2007	1.95850253260823
2008	1.8248437654994498
2009	1.8714869441888702
2010	1.4902101058211201
2011	1.5528531337698799
2012	1.4133307074064299
2013	1.49929579850642
2014	1.45511301633341
2015	1.5038984270414602
2016	1.3843347942822
2017	1.10033460723613
2018	0.960308762120989
2019	0.894622791765709
2020	1.00200482439602
2021	0.9868648820846939
2022	0.957534540141842