Year	% of GDP
1960	-0.816497392178747
1961	-1.1941723452741093
1962	-0.5528901483286717
1963	-0.7236537661604299
1964	-1.2444042584383868
1965	-1.3108239057397113
1966	-0.6286692104466579
1967	-1.9244060035135944
1968	-2.876041818823585
1969	-3.5994117032476867
1970	-3.568797245286132
1971	-6.109702495550147
1972	-3.1421653906784823
1973	1.2184406242850054
1974	3.899730992393076
1975	-3.263262763279003
1976	-1.9426323836327573
1977	-1.8364565807230355
1978	-3.8318634041205906
1979	-0.2634247790377595
1980	-0.7289566133568489
1981	-0.6795820169913165
1982	-3.0999633539655527
1983	0.2432125829162307
1984	1.6945402642908287
1985	3.6454325491220576
1986	-1.85179753081032
1987	-6.998548721775348
1988	-4.650599472773641
1989	-4.546883249052698
1990	0.9338317498330649
1991	2.1525271935444676
1992	3.460936630417671
1993	-3.099536759199309
1994	-3.2181113549137677
1995	-3.3374639874715957
1996	0.3308666927370668
1997	-1.9473338967368592
1998	-7.611206216153615
1999	3.553832481557591
2000	9.697824129519184
2001	-0.9142192985661166
2002	-3.3678101774744973
2003	1.3260043336379363
2004	2.1248305900275968
2005	3.296146818892466
2006	5.561014718905323
2007	6.114280756428574
2008	5.9623053780769135
2009	1.2719116063242453
2010	-0.8059945536792099
2011	2.1910551261777815
2012	2.65989254374147
2013	1.3172326814153918
2014	1.2836967663071113
2015	-2.3190682545845958
2016	0.5440905121152467
2017	-0.6465485347278291
2018	-0.9216064070287541
2019	0.014419703945958722
2020	2.577812374407336
2021	0.8582204432422882
2022	-0.04846890853924335
2023	0.28298329116995286