Year	% of GDP
1970	0.7200298813846839
1971	1.297294891881202
1972	1.364664693835183
1973	-1.6188672163579416
1974	-4.144769164252163
1975	-0.2881664956299599
1976	-1.2717898535207959
1977	0.9098702944493267
1978	1.920753991800793
1979	1.5046418353089597
1980	-2.2145276842215433
1981	-2.4087346834656027
1982	-1.731516824827552
1983	0.1460415261772309
1984	-0.7321395510058845
1985	-0.9040506351893681
1986	0.3786591552432014
1987	-0.31883006210280473
1988	-0.8019679447318743
1989	-1.3815451231203584
1990	-1.3915893065286329
1991	-1.95002138250902
1992	-2.2178466213921313
1993	0.7261039675810362
1994	1.200825009959264
1995	2.136455445526619
1996	3.0457780255435796
1997	2.599019011929159
1998	1.5831732043283686
1999	0.797177510168201
2000	-0.27093368774918786
2001	0.15531784441539898
2002	-0.49164799584565394
2003	-0.7687904069821669
2004	-0.497026061316597
2005	-0.8995071012053305
2006	-1.4527229699454998
2007	-1.3614342841941738
2008	-2.7567602562180062
2009	-1.836912657035134
2010	-3.3153542935258065
2011	-2.8238905026890184
2012	-0.24577942469401212
2013	1.1561875889907396
2014	1.8644518926035285
2015	1.4357338455862578
2016	2.6469963073253098
2017	2.7068113790131147
2018	2.5806693422612668
2019	3.2472345518301684
2020	3.9577434669737213
2021	2.39222238893012
2022	-1.5860538647384115
2023	0.5123021340087228