Year	Percent of GDP (Units)
1988	2.462
1989	5.034
1990	7.717
1991	8.431
1992	7.314
1993	10.926
1994	12.292
1995	12.269
1996	11.017
1997	10.716
1998	9.808
1999	11.841
2000	12.693
2001	17.010
2002	13.265
2003	12.315
2004	13.623
2005	12.115
2006	12.871
2007	11.114
2008	13.853
2009	10.275
2010	9.430
2011	8.802
2012	8.135
2013	8.860
2014	8.975
2015	18.795
2016	21.231
2017	20.159
2018	18.983
2019	18.959
2020	17.196
2021	14.095
2022	13.301
2023	11.721
2024	9.911
2025	13.663
2026	17.281
2027	22.196
2028	28.479
2029	35.059