Year	Percent of GDP (Units)
1980	15.104
1981	15.559
1982	14.356
1983	14.916
1984	14.698
1985	13.140
1986	10.956
1987	13.494
1988	12.917
1989	11.330
1990	8.182
1991	9.791
1992	11.853
1993	13.834
1994	13.136
1995	18.718
1996	17.834
1997	20.070
1998	19.462
1999	20.265
2000	23.641
2001	23.649
2002	21.152
2003	20.895
2004	23.874
2005	24.941
2006	25.406
2007	25.031
2008	28.980
2009	31.423
2010	31.481
2011	26.976
2012	32.791
2013	32.540
2014	34.984
2015	35.659
2016	33.700
2017	37.002
2018	32.450
2019	34.450
2020	29.428
2021	27.462
2022	24.743
2023	32.192
2024	35.423
2025	34.523
2026	33.338
2027	32.406
2028	31.345
2029	30.393