Year	Percent of GDP (Units)
1980	0.000
1981	6.082
1982	9.275
1983	8.681
1984	6.796
1985	7.460
1986	6.124
1987	7.290
1988	8.116
1989	8.108
1990	7.400
1991	7.757
1992	8.075
1993	6.634
1994	6.403
1995	9.348
1996	5.399
1997	3.256
1998	-0.191
1999	0.164
2000	-0.868
2001	14.353
2002	5.205
2003	2.832
2004	11.559
2005	7.503
2006	11.338
2007	7.324
2008	2.891
2009	5.040
2010	3.757
2011	5.379
2012	13.796
2013	7.131
2014	7.509
2015	3.650
2016	3.320
2017	13.214
2018	6.127
2019	13.350
2020	17.224
2021	17.491
2022	18.095
2023	22.331
2024	17.302
2025	17.567
2026	17.787
2027	18.052
2028	19.024
2029	19.296