Year	Percent of GDP (Units)
1980	16.017
1981	12.405
1982	12.403
1983	11.593
1984	8.509
1985	8.805
1986	8.538
1987	1.959
1988	-0.747
1989	-0.093
1990	-0.605
1991	-0.582
1992	-2.066
1993	-0.382
1994	5.576
1995	8.532
1996	6.945
1997	9.040
1998	8.819
1999	6.931
2000	5.566
2001	6.919
2002	8.614
2003	8.950
2004	7.521
2005	8.354
2006	7.438
2007	6.698
2008	10.078
2009	11.112
2010	11.072
2011	10.449
2012	10.775
2013	14.005
2014	15.325
2015	22.431
2016	22.432
2017	19.239
2018	17.869
2019	18.910
2020	17.754
2021	19.053
2022	17.810
2023	13.103
2024	16.678
2025	17.800
2026	18.041
2027	18.550
2028	18.728
2029	18.732
