Year	% of GDP
1960	3.7039017965883296
1961	4.08728387914001
1962	4.122775250127949
1963	4.0108344819729895
1964	3.9326526841830702
1965	3.57129033135163
1966	3.37028428544947
1967	3.5233358058518705
1968	3.2563349201726504
1969	3.2289286032292503
1970	2.86623555435659
1971	2.8388295348652797
1972	2.8185399996365
1973	2.70299724962028
1974	2.65347166146325
1975	2.8438601285660203
1976	2.68890944936651
1977	2.95445752206894
1978	2.74707053060561
1979	2.84023282824093
1980	2.7842985662074797
1981	2.86311944233433
1982	3.1414705898142
1983	2.8485847447993597
1984	2.86172441738649
1985	2.76821812094818
1986	2.72511978598847
1987	2.71346717798331
1988	2.6109094684565
1989	2.51740390550589
1990	2.36901988510143
1991	2.24853153093843
1992	2.21300259630903
1993	2.0278294084545503
1994	1.9130609754514398
1995	1.79424050457827
1996	1.75660773571403
1997	1.6592731826140301
1998	1.5806480613385
1999	1.58982542582888
2000	1.43400434064074
2001	1.4379068691232901
2002	1.42655601162955
2003	1.44380959809676
2004	1.42682783976905
2005	1.3964852790883
2006	1.3933890574907701
2007	1.3547167982944899
2008	1.3053192376985099
2009	1.39763332170373
2010	1.32543371501611
2011	1.28836534898418
2012	1.23540888805849
2013	1.16615162393654
2014	1.15968789088093
2015	1.13271150479415
2016	1.16362691769596
2017	1.15680366756712
2018	1.2166741818661
2019	1.31836099648855
2020	1.4412639825242
2021	1.37664709536688
2022	1.5832811384634797