Year	constant 2010 US$
1980	5763342967.37511
1981	5913564911.33071
1982	6015900906.99878
1983	6055739339.37999
1984	5996209692.70339
1985	6352073845.94558
1986	6761189183.70109
1987	7139711926.35711
1988	8147946053.87843
1989	8290577230.26939
1990	5508844591.85055
1991	4412057804.25071
1992	4088787396.77812
1993	3375254636.52362
1994	3411167253.28279
1995	3711349939.08217
1996	1673818870.98958
1997	2834844997.9694
1998	3681941248.13862
1999	4334709625.01692
2000	5049005008.79924
2001	6050291051.84784
2002	6542507107.08
2003	7383443887.91119
2004	8401380804.11534
2005	10647353458.7789
2006	12026262352.7819
2007	13596385542.1687
2008	16582983619.8728
2009	13652294571.5446
2010	11240219304.183
2011	10742317584.9465
2012	10936510085.285
2013	10967239745.4989
2014	11342425883.3085
2015	11644239880.8718
2016	10871124949.2351
2017	11220387166.6441
2018	11952484093.6781