Year	Percent of GDP (Units)
1980	26.242
1981	29.041
1982	26.662
1983	25.365
1984	34.690
1985	38.147
1986	41.596
1987	62.436
1988	53.148
1989	55.414
1990	37.720
1991	49.460
1992	44.106
1993	41.739
1994	37.914
1995	30.996
1996	30.350
1997	24.241
1998	17.322
1999	20.063
2000	20.392
2001	23.319
2002	17.771
2003	21.614
2004	23.158
2005	26.938
2006	29.161
2007	38.086
2008	34.778
2009	40.148
2010	41.666
2011	38.666
2012	37.487
2013	36.315
2014	35.420
2015	36.797
2016	38.719
2017	37.357
2018	32.565
2019	33.716
2020	33.429
2021	32.740
2022	34.187
2023	31.903
2024	29.571
2025	29.643
2026	29.594
2027	29.690
2028	29.727
2029	29.866