Year	Percent of GDP (Units)
1980	3.733
1981	7.091
1982	6.470
1983	5.789
1984	5.887
1985	5.499
1986	3.991
1987	5.082
1988	4.033
1989	4.565
1990	5.303
1991	4.870
1992	5.061
1993	5.278
1994	4.685
1995	6.904
1996	6.779
1997	6.921
1998	5.802
1999	5.304
2000	4.562
2001	11.173
2002	7.278
2003	10.039
2004	14.279
2005	13.786
2006	15.634
2007	12.503
2008	10.454
2009	12.822
2010	13.806
2011	12.816
2012	18.274
2013	13.869
2014	14.847
2015	13.538
2016	12.569
2017	20.627
2018	15.661
2019	19.509
2020	20.175
2021	21.728
2022	22.253
2023	26.395
2024	22.503
2025	21.462
2026	21.022
2027	20.807
2028	21.444
2029	21.367