Year	Percent of GDP (Units)
1980	19.541
1981	19.775
1982	17.459
1983	14.306
1984	9.441
1985	11.406
1986	12.638
1987	11.995
1988	10.886
1989	16.531
1990	11.447
1991	9.220
1992	8.451
1993	2.803
1994	8.595
1995	9.987
1996	9.382
1997	8.317
1998	10.805
1999	6.956
2000	10.630
2001	11.066
2002	15.609
2003	16.055
2004	16.586
2005	14.401
2006	13.748
2007	18.785
2008	17.086
2009	14.492
2010	15.840
2011	19.904
2012	17.696
2013	22.115
2014	22.377
2015	25.185
2016	20.157
2017	16.836
2018	19.136
2019	18.602
2020	21.355
2021	19.891
2022	23.547
2023	28.592
2024	27.820
2025	25.209
2026	25.952
2027	26.582
2028	27.663
2029	27.338