Year	% of GDP
1963	-9.567901234567827
1964	-8.072916666666611
1965	-6.2068965517241645
1966	-1.6949152542372508
1967	0.7017543859648988
1968	2.1702838063438423
1969	1.7241379310344904
1970	-1.2211668928086241
1971	-5.8608058608058
1972	-7.1917808219178205
1973	-6.747787610619425
1974	17.597551644988506
1975	-18.00467653936085
1976	-9.904622157006612
1977	-18.720379146919434
1978	-29.872881355932297
1979	-27.443609022556203
1980	-13.21308724832217
1981	-15.658914728682161
1982	-13.125695216907696
1983	-8.020134228188125
1984	-0.7648183556406498
1985	-8.7299270072993
1986	-11.758301578660733
1987	-9.376664890783106
1988	-11.866051929143413
1989	-9.291010194624578
1990	-7.280155868326147
1991	-8.910412997784476
1992	-7.70807471347315
1993	-7.763656317485039
1994	-5.923121723937115
1995	-10.087116901463693
1996	-9.512340380808967
1997	-8.246210436657172
1998	-9.5949885745804
1999	-7.429290607501658
2000	-8.494683304037437
2001	-10.375100281113294
2002	-8.733282292987525
2003	-8.930776955663504
2004	-10.722371102779048
2005	-11.089002831560407
2006	-11.517467563532826
2007	-13.037559182760427
2008	-12.182382397837415
2009	-11.033019658449279
2010	-11.930820605573807
2011	-15.398220555237268
2012	-10.447165307739798
2013	-14.64449564554762
2014	-13.248617158609713
2015	-16.247938311450778
2016	-13.536012185190435
2017	-7.856776941950444
2018	-8.907898780862617
2019	-8.517487979302434
2020	-9.021481394529875
2021	-10.325916606680027
2022	-14.289442853806769
2023	-13.616908831729585