Year	% of GDP
1960	0.682017543859649
1961	0.834368530020704
1962	2.345703125
1963	2.3830570902394097
1964	2.6051587301587302
1965	1.52482269503546
1966	1.6494845360824701
1967	1.32507288629738
1968	1.17848101265823
1969	1.24672228843862
1970	1.17223910840932
1971	1.1771653543307101
1972	1.13985374771481
1973	1.23518687329079
1974	1.15190839694656
1975	2.81118373275236
1976	3.12382864792503
1977	3.0432666306111402
1978	3.28314606741573
1979	2.69861386138614
1980	2.74669117647059
1981	2.84268969771746
1982	3.0033036339973997
1983	2.93218341631388
1984	3.01716743691831
1985	1.83652541094857
1986	2.62189349112426
1987	2.25258646172037
1988	2.31081264414598
1989	2.74077407740774
1990	2.7048929663608603
1991	2.16686926732236
1992	2.0496515679442497
1993	1.86252988480765
1994	1.42288472939781
1995	1.38304269392664
1996	1.2870884703969698
1997	1.41705504471596
1998	1.2763626403725
1999	1.38553138632928
2000	1.23804638062972
2001	1.1555150239697
2002	1.17793497700006
2003	1.0730553376671
2004	1.2070057657011701
2005	1.2018948481342
2006	1.1103217971972401
2007	1.41572652816375
2008	1.24291260830384
2009	1.3527649759800702
2010	1.22478554310235
2011	1.15090529546802
2012	1.17602923102673
2013	1.23608933489025
2014	1.272342619383
2015	1.25078070152992
2016	1.16533289468165
2017	1.3636298711596302
2018	1.90502213517644
2019	2.2384758047347098
2020	2.2013151236168103
2021	2.40194309061394
2022	3.09476704494336