Year	Percent of GDP (Units)
1980	-0.651
1981	11.469
1982	11.511
1983	14.596
1984	20.336
1985	25.581
1986	24.802
1987	37.306
1988	37.057
1989	37.823
1990	40.474
1991	30.447
1992	21.659
1993	12.532
1994	25.164
1995	24.168
1996	26.658
1997	22.750
1998	24.917
1999	9.565
2000	13.579
2001	12.347
2002	15.703
2003	17.025
2004	10.029
2005	-3.467
2006	0.829
2007	5.788
2008	-6.863
2009	10.353
2010	12.678
2011	5.181
2012	13.355
2013	15.697
2014	16.344
2015	12.513
2016	-3.639
2017	-0.966
2018	-8.380
2019	-6.613
2020	-14.756
2021	11.591
2022	3.911
2023	-2.816
2024	0.643
2025	6.062
2026	7.112
2027	9.956
2028	10.330
2029	10.090