Year	Percent of GDP (Units)
1980	20.167
1981	13.137
1982	1.987
1983	0.667
1984	5.847
1985	3.302
1986	4.623
1987	4.666
1988	5.308
1989	6.939
1990	9.866
1991	9.790
1992	8.177
1993	8.816
1994	11.189
1995	11.767
1996	9.871
1997	9.422
1998	9.892
1999	13.317
2000	12.482
2001	15.025
2002	9.924
2003	8.958
2004	10.550
2005	8.642
2006	9.786
2007	9.830
2008	8.242
2009	8.175
2010	10.041
2011	11.629
2012	10.098
2013	13.482
2014	12.589
2015	14.768
2016	17.275
2017	19.780
2018	21.839
2019	21.630
2020	23.887
2021	24.697
2022	30.487
2023	26.592
2024	28.421
2025	27.621
2026	28.251
2027	28.407
2028	29.081
2029	29.600