Year	Percent of GDP (Units)
1980	11.728
1981	8.204
1982	7.314
1983	7.396
1984	7.850
1985	9.460
1986	8.828
1987	8.267
1988	10.858
1989	12.129
1990	12.852
1991	9.085
1992	11.183
1993	10.738
1994	9.463
1995	9.412
1996	10.425
1997	12.456
1998	11.625
1999	13.057
2000	12.994
2001	11.696
2002	8.350
2003	13.242
2004	17.469
2005	15.878
2006	12.763
2007	13.779
2008	13.988
2009	10.247
2010	11.520
2011	9.998
2012	9.278
2013	9.299
2014	10.594
2015	10.179
2016	12.438
2017	12.839
2018	13.013
2019	13.941
2020	12.398
2021	10.918
2022	10.823
2023	13.218
2024	13.268
2025	12.430
2026	12.890
2027	13.172
2028	13.245
2029	13.342