Year	Percent of GDP (Units)
1980	16.428
1981	15.810
1982	18.279
1983	11.613
1984	11.912
1985	13.119
1986	14.084
1987	14.465
1988	13.941
1989	13.398
1990	11.389
1991	15.107
1992	14.393
1993	15.714
1994	15.098
1995	13.938
1996	12.498
1997	14.726
1998	18.489
1999	12.779
2000	17.167
2001	18.491
2002	19.656
2003	15.773
2004	16.250
2005	17.465
2006	18.118
2007	18.318
2008	21.566
2009	21.173
2010	23.490
2011	23.532
2012	23.013
2013	24.883
2014	24.706
2015	22.686
2016	20.246
2017	22.480
2018	22.540
2019	21.049
2020	17.585
2021	20.973
2022	22.294
2023	20.425
2024	21.185
2025	23.328
2026	24.360
2027	25.290
2028	25.748
2029	25.943