Year	Percent of GDP (Units)
1991	9.186
1992	10.146
1993	13.101
1994	18.447
1995	8.137
1996	8.926
1997	12.737
1998	8.719
1999	12.139
2000	23.514
2001	19.075
2002	14.055
2003	17.032
2004	22.973
2005	20.167
2006	19.807
2007	23.689
2008	21.755
2009	20.607
2010	18.549
2011	17.313
2012	12.974
2013	12.416
2014	22.959
2015	21.503
2016	20.516
2017	18.108
2018	19.476
2019	18.797
2020	25.034
2021	24.957
2022	21.306
2023	21.518
2024	20.290
2025	19.196
2026	19.296
2027	19.601
2028	19.674
2029	19.775