Year	Percent of GDP (Units)
1980	-0.952
1981	0.382
1982	0.591
1983	1.637
1984	2.601
1985	3.516
1986	3.987
1987	3.265
1988	2.533
1989	2.031
1990	1.403
1991	1.867
1992	2.823
1993	2.908
1994	2.611
1995	1.991
1996	1.400
1997	2.117
1998	2.809
1999	2.465
2000	2.628
2001	1.970
2002	2.609
2003	3.085
2004	3.721
2005	3.521
2006	3.792
2007	4.633
2008	2.792
2009	2.745
2010	3.838
2011	2.084
2012	0.951
2013	0.882
2014	0.751
2015	3.070
2016	3.953
2017	4.128
2018	3.528
2019	3.446
2020	2.966
2021	3.901
2022	1.985
2023	3.435
2024	3.469
2025	3.473
2026	3.613
2027	3.474
2028	3.422
2029	3.124