Year	Percent of GDP (Units)
1980	27.326
1981	15.581
1982	13.324
1983	12.222
1984	17.905
1985	10.001
1986	-19.385
1987	-7.197
1988	-14.756
1989	-3.977
1990	2.367
1991	1.581
1992	-3.791
1993	-1.006
1994	7.522
1995	8.797
1996	14.655
1997	9.367
1998	-12.999
1999	7.862
2000	18.549
2001	10.300
2002	6.340
2003	11.764
2004	11.903
2005	20.944
2006	14.606
2007	22.061
2008	24.597
2009	6.597
2010	17.054
2011	14.305
2012	11.510
2013	8.312
2014	6.107
2015	0.980
2016	-5.414
2017	-0.706
2018	7.144
2019	4.614
2020	-0.497
2021	3.331
2022	10.428
2023	4.171
2024	4.000
2025	2.982
2026	2.152
2027	1.539
2028	0.943
2029	0.535