Year	Percent of GDP (Units)
1980	0.000
1981	6.767
1982	8.904
1983	8.095
1984	7.137
1985	13.015
1986	8.582
1987	16.289
1988	16.780
1989	22.084
1990	27.948
1991	22.746
1992	17.432
1993	29.636
1994	40.568
1995	39.290
1996	58.355
1997	45.433
1998	47.001
1999	43.063
2000	39.241
2001	53.440
2002	41.912
2003	36.703
2004	35.817
2005	34.765
2006	43.194
2007	52.961
2008	35.359
2009	41.388
2010	36.741
2011	31.375
2012	50.045
2013	43.862
2014	35.603
2015	31.431
2016	27.823
2017	33.526
2018	36.669
2019	30.692
2020	27.887
2021	30.731
2022	22.301
2023	31.512
2024	25.149
2025	27.030
2026	31.981
2027	31.096
2028	32.067
2029	34.845