Year	Percent of GDP (Units)
1980	35.895
1981	28.064
1982	20.092
1983	20.727
1984	21.873
1985	13.937
1986	17.225
1987	20.618
1988	12.898
1989	38.108
1990	29.222
1991	23.616
1992	30.773
1993	31.521
1994	25.008
1995	1.680
1996	6.431
1997	5.418
1998	5.673
1999	7.045
2000	6.304
2001	11.934
2002	2.057
2003	8.578
2004	13.273
2005	6.796
2006	11.156
2007	16.632
2008	23.110
2009	19.050
2010	18.079
2011	16.623
2012	12.706
2013	10.007
2014	16.222
2015	14.366
2016	16.848
2017	15.385
2018	21.419
2019	20.395
2020	12.340
2021	10.238
2022	15.351
2023	19.540
2024	18.277
2025	18.872
2026	18.493
2027	18.730
2028	18.700
2029	18.868