Year	Percent of GDP (Units)
1983	4.091
1984	6.404
1985	9.040
1986	9.509
1987	13.292
1988	14.912
1989	16.333
1990	29.451
1991	25.232
1992	23.085
1993	21.797
1994	23.573
1995	23.280
1996	20.448
1997	23.018
1998	21.802
1999	2.365
2000	31.648
2001	32.982
2002	28.737
2003	33.965
2004	39.415
2005	38.811
2006	35.637
2007	31.330
2008	31.923
2009	34.821
2010	41.985
2011	17.082
2012	22.895
2013	15.943
2014	20.346
2015	22.254
2016	20.429
2017	16.246
2018	18.698
2019	15.920
2020	15.177
2021	13.842
2022	14.157
2023	16.697
2024	17.486
2025	18.062
2026	19.411
2027	20.441
2028	21.635
2029	22.981