Year	Percent of GDP (Units)
1980	9.762
1981	9.762
1982	5.687
1983	9.762
1984	8.323
1985	11.098
1986	11.107
1987	13.127
1988	10.579
1989	11.710
1990	14.489
1991	12.506
1992	11.815
1993	10.823
1994	12.192
1995	15.070
1996	5.887
1997	7.318
1998	11.125
1999	11.733
2000	10.555
2001	8.997
2002	9.676
2003	6.463
2004	6.605
2005	9.338
2006	9.722
2007	10.338
2008	12.429
2009	12.786
2010	13.636
2011	11.599
2012	14.491
2013	8.519
2014	16.537
2015	13.616
2016	13.586
2017	13.521
2018	16.405
2019	14.665
2020	18.887
2021	15.723
2022	14.851
2023	15.006
2024	15.192
2025	16.745
2026	17.387
2027	18.481
2028	19.172
2029	19.746
