Year	Percent of GDP (Units)
1980	9.250
1981	9.536
1982	10.843
1983	10.478
1984	10.620
1985	11.425
1986	10.946
1987	21.613
1988	31.238
1989	37.876
1990	30.673
1991	36.773
1992	43.783
1993	20.201
1994	7.077
1995	7.137
1996	7.764
1997	7.508
1998	8.420
1999	8.098
2000	8.011
2001	7.115
2002	7.806
2003	11.559
2004	9.850
2005	12.171
2006	12.060
2007	11.131
2008	11.100
2009	11.554
2010	24.129
2011	16.562
2012	14.232
2013	13.741
2014	9.270
2015	8.943
2016	15.235
2017	18.052
2018	15.828
2019	19.182
2020	18.058
2021	18.465
2022	13.524
2023	8.024
2024	11.422
2025	12.141
2026	12.845
2027	13.497
2028	17.303
2029	21.249