Year	Percent of GDP (Units)
1980	25.224
1981	21.503
1982	4.944
1983	-13.045
1984	-15.381
1985	-12.447
1986	-13.564
1987	-11.404
1988	-8.317
1989	-10.004
1990	-3.530
1991	-20.833
1992	-12.941
1993	-12.987
1994	-7.758
1995	-3.715
1996	0.429
1997	0.184
1998	-8.947
1999	0.254
2000	7.554
2001	5.080
2002	6.262
2003	12.997
2004	20.069
2005	27.419
2006	27.390
2007	23.913
2008	26.884
2009	6.603
2010	14.088
2011	24.384
2012	23.410
2013	18.978
2014	10.470
2015	-7.863
2016	-3.672
2017	1.696
2018	8.618
2019	4.585
2020	-3.479
2021	4.772
2022	13.668
2023	3.941
2024	0.475
2025	-0.578
2026	-1.414
2027	-2.191
2028	-2.761
2029	-2.934