Year	% of GDP
1960	0.6958333333333331
1961	0.849453322119428
1962	1.09697933227345
1963	1.1031907671418901
1964	1.23370429252782
1965	1.40145203522971
1966	1.10115095174856
1967	5.80820060996272
1968	9.1591382904795
1969	10.316957879632
1970	5.27925012553702
1971	4.39211982188639
1972	5.3902688790814395
1973	5.47846811844983
1974	4.34401142623954
1975	8.12406844073322
1976	5.79139783442963
1977	6.02411790978115
1978	5.32604776301556
1979	4.32233407904549
1980	3.2956037398050504
1981	2.77007205001291
1982	2.26720169230048
1983	2.21984130271864
1984	1.55679483416495
1985	1.43678626386977
1986	1.3115536465790298
1987	0.769793676287504
1988	0.88435129597009
1989	0.579894648474617
1990	0.8331153055503641
1991	0.773691292368809
1992	0.564010709444363
1993	0.933218301724012
1994	0.7814522877371329
1995	0.483558767048935
1996	0.40617781156883204
1997	0.435835755422039
1998	0.5483123928642211
1999	0.8554156303262341
2000	0.543531645186578
2001	0.780315876986167
2002	0.95433804485135
2003	0.5707075448749319
2004	0.49099676913075896
2005	0.39742293717406896
2006	0.348375434095589
2007	0.37096097654640603
2008	0.489084134608938
2009	0.505855627592204
2010	0.539231118131693
2011	0.579227031040921
2012	0.504264930204985
2013	0.46969530452063596
2014	0.414718776586509
2015	0.417636537730714
2016	0.43294778467316897
2017	0.430671218863917
2018	0.506944517393582
2019	0.459170524387093
2020	0.632022913474166
2021	1.0127019267828399
2022	0.6355445511072519