Year	Percent of GDP (Units)
1980	15.561
1981	17.588
1982	15.506
1983	18.994
1984	20.994
1985	14.914
1986	15.512
1987	12.191
1988	12.189
1989	11.800
1990	12.343
1991	12.358
1992	11.324
1993	12.383
1994	16.469
1995	18.231
1996	16.670
1997	15.776
1998	16.270
1999	14.788
2000	13.263
2001	13.384
2002	13.450
2003	14.740
2004	16.784
2005	16.907
2006	19.028
2007	19.133
2008	17.599
2009	16.736
2010	16.096
2011	15.567
2012	15.116
2013	15.268
2014	15.242
2015	14.316
2016	16.454
2017	16.290
2018	15.710
2019	14.401
2020	13.512
2021	14.437
2022	15.288
2023	15.759
2024	16.234
2025	16.616
2026	17.333
2027	18.270
2028	19.079
2029	20.162