Year	% of GDP
1960	-0.8928582088192965
1961	-1.7241379989808077
1962	-3.278688432449037
1963	-6.7669173513806
1964	2.013421990000476
1965	-2.1863259586141095
1966	-2.2160205575971927
1967	-1.0851868469969874
1968	-3.071116656269493
1969	-2.4358589196659253
1970	-0.932242891647951
1971	-5.7359302467489615
1972	-3.3405262231771577
1973	-2.3165579283189146
1974	-5.780540282094193
1975	-10.726124870674186
1976	-2.926392867854668
1977	0.30419130568892533
1978	-8.518708018710749
1979	-8.559496881065876
1980	-14.482684469057233
1981	-12.894345186907636
1982	-16.695470994626604
1983	-15.702179657851339
1984	-12.04830288311007
1985	-9.760283231621647
1986	-10.592402096194634
1987	-15.993728791737002
1988	-13.362413203127058
1989	-13.197821413012115
1990	-19.90215496343061
1991	-18.587805076027145
1992	-20.72777036783625
1993	-17.77907491005851
1994	-18.209993484368226
1995	-14.351940706501878
1996	-9.933080235651843
1997	-4.604434072345391
1998	-11.440529735132433
1999	-8.388230127360561
2000	-9.915783300515429
2001	-10.605641285315691
2002	-12.302221044601481
2003	-14.61348402865015
2004	-17.670621607839056
2005	-22.699998510234686
2006	-27.800000000000004
2007	-25.199998500576935
2008	-26.199999058153278
2009	-22.6000030116235
2010	-20.100002119112514
2011	-25.40000226987864
2012	-24.313182552561635
2013	-28.413566949099415
2014	-25.60298341767824
2015	-10.003736285087365
2016	-10.274680877523252
2017	-10.187144443788117
2018	-15.228393836163551
2019	-18.68213000126547
2020	-17.674689998926933
2021	-18.818079999657648
2022	-18.373123343462364
2023	-19.066477458500724