Year	Percent of GDP (Units)
1980	8.034
1981	7.199
1982	4.392
1983	4.606
1984	6.205
1985	8.495
1986	7.520
1987	7.768
1988	12.205
1989	9.792
1990	12.599
1991	13.038
1992	13.510
1993	17.468
1994	21.165
1995	24.640
1996	23.264
1997	24.612
1998	24.608
1999	28.887
2000	21.134
2001	19.747
2002	20.675
2003	18.564
2004	22.016
2005	24.647
2006	24.642
2007	24.635
2008	20.729
2009	16.784
2010	16.803
2011	18.046
2012	16.031
2013	12.230
2014	15.238
2015	20.447
2016	20.233
2017	23.575
2018	20.000
2019	20.129
2020	21.629
2021	18.970
2022	19.303
2023	18.119
2024	18.074
2025	18.541
2026	18.848
2027	18.876
2028	18.998
2029	18.997