Year	% of GDP
1970	2.1852510080106144
1971	1.9508454212213422
1972	3.0601172496125293
1973	1.9197936894122036
1974	0.5156385094761091
1975	0.30832445637483913
1976	0.2930072896159347
1977	-0.6630222989048201
1978	-0.7893155793879352
1979	-1.7280935451640407
1980	-2.8208868160555465
1981	-2.094308030637208
1982	-1.7187259336176879
1983	0.39569064936848264
1984	0.5939683306624338
1985	1.031668744423947
1986	2.2390751312525907
1987	1.8164262110306664
1988	2.3932198944928973
1989	2.1965651909136876
1990	1.7595308366141118
1991	1.8691720477588356
1992	2.5485731618427794
1993	3.202745318200554
1994	3.6176186572334865
1995	3.8501756147943054
1996	3.1720061543602016
1997	3.8842221047159433
1998	3.6395674045390027
1999	3.9561284912235526
2000	2.8646552490790884
2001	3.6470780059689427
2002	5.577445903272353
2003	5.357464183880381
2004	4.894149546003853
2005	4.036607172807427
2006	4.042484810926599
2007	4.135162530349756
2008	0.6727921599599253
2009	2.261966884557749
2010	1.7024558841064372
2011	-0.09899783970861334
2012	0.06295078367381395
2013	0.7978517613520667
2014	0.81880222817034
2015	1.4180177940366891
2016	1.1942049635270027
2017	1.03898415032375
2018	-0.3355281634115189
2019	0.6281490493991554
2020	2.0007374029173017
2021	1.7638032583476164
2022	-1.6286677864513162
2023	-0.9325654623259938