Year	Percent of GDP (Units)
1980	125.490
1981	111.520
1982	87.060
1983	67.266
1984	98.829
1985	73.191
1986	39.348
1987	46.116
1988	38.548
1989	52.476
1990	-10.599
1991	-15.592
1992	-16.701
1993	-21.638
1994	-19.170
1995	-27.601
1996	-27.269
1997	-30.859
1998	-25.459
1999	0.813
2000	9.175
2001	23.728
2002	19.778
2003	24.261
2004	24.638
2005	16.762
2006	16.133
2007	15.079
2008	23.614
2009	7.244
2010	20.009
2011	31.068
2012	33.185
2013	30.424
2014	23.959
2015	8.502
2016	-5.450
2017	3.989
2018	9.083
2019	2.415
2020	-2.068
2021	14.644
2022	26.716
2023	18.729
2024	15.564
2025	13.162
2026	11.516
2027	12.669
2028	11.988
2029	10.164