Year	% of GDP
1960	1.18305236461286
1961	1.1832727272727301
1962	1.08285509325681
1963	0.897791926307234
1964	0.851725907866034
1965	0.852610094012865
1966	0.8729159169965219
1967	0.845136660396149
1968	0.7945320518801899
1969	0.807396323215049
1970	0.9166422716627629
1971	1.3626334519573
1973	0.874809823951315
1974	0.7950864498758989
1975	0.8035895699288861
1976	0.659239148428964
1977	0.6843738841431589
1978	0.803000117192078
1979	0.834462748391777
1980	0.7657793076495261
1981	0.62679842362214
1982	0.544740925855015
1983	0.8891374248567041
1984	0.922430502256969
1985	3.1607698229407197
1986	2.69665801174543
1987	3.3931467088240805
1988	2.37118324909227
1989	1.79859542421127
1990	2.32848743256346
1991	3.082087848635
1992	3.3676399009600697
1993	3.43178565351856
1994	3.72933805803649
1995	5.8611322427415296
1996	5.51978316113981
1997	4.63060207374592
1998	4.64346408117958
1999	4.0301638395602
2000	5.03387296841704
2001	4.28699058949232
2002	3.3425894402143697
2003	2.86891182725842
2004	2.99735847919569
2005	2.6395333951407
2006	2.7987735990308598
2007	3.2606083570291697
2008	3.2436017840260303
2009	3.1618987100430402
2010	2.70074784039336
2011	2.68531865302989
2012	2.15519951243996
2013	2.15404824269909
2014	2.41264701190051
2015	2.41701116575955
2016	1.9793553328458902
2017	1.97692843257215
2018	1.73469354853576
2019	1.75219928060225
2020	1.73988733298184
2021	1.89424834227119
2022	1.43043206686897