Year	Percent of GDP (Units)
1980	-13.350
1981	-10.733
1982	-8.489
1983	-3.625
1984	-2.058
1985	0.109
1986	1.792
1987	-0.476
1988	7.333
1989	9.474
1990	8.080
1991	10.720
1992	11.229
1993	6.777
1994	15.286
1995	16.497
1996	14.627
1997	15.570
1998	21.792
1999	17.204
2000	11.072
2001	14.433
2002	14.877
2003	24.302
2004	19.311
2005	23.260
2006	26.893
2007	27.143
2008	15.083
2009	16.393
2010	22.933
2011	22.218
2012	17.643
2013	15.707
2014	17.950
2015	18.693
2016	17.811
2017	18.159
2018	15.975
2019	16.041
2020	16.583
2021	19.842
2022	17.995
2023	19.769
2024	18.048
2025	17.820
2026	17.401
2027	16.025
2028	15.194
2029	14.340