Year	Percent of GDP (Units)
1980	19.145
1981	19.627
1982	8.539
1983	10.553
1984	15.670
1985	26.681
1986	20.286
1987	22.899
1988	20.768
1989	19.563
1990	25.017
1991	18.963
1992	20.358
1993	20.348
1994	17.746
1995	19.157
1996	17.975
1997	8.742
1998	6.960
1999	12.765
2000	14.431
2001	7.987
2002	5.118
2003	3.763
2004	6.280
2005	9.128
2006	18.878
2007	16.889
2008	12.233
2009	15.018
2010	11.653
2011	13.881
2012	12.225
2013	12.577
2014	10.165
2015	13.702
2016	14.789
2017	11.080
2018	9.018
2019	9.436
2020	19.243
2021	17.083
2022	14.951
2023	18.643
2024	19.134
2025	19.098
2026	19.256
2027	19.366
2028	19.527
2029	19.683