Year	constant 2010 US$
1980	2273268381.98204
1981	2366212970.128
1982	2187023634.95006
1983	1832633876.20124
1984	1699561952.5825
1985	1700523348.73473
1986	1657310976.3284
1987	1856093759.19771
1988	2049154103.4846
1989	2134829978.79168
1990	2212791139.74421
1991	2315991335.28156
1992	2143414799.93293
1993	2343317421.25571
1994	2485002756.68073
1995	2581427974.89667
1996	3326338855.65903
1997	3703685625.56583
1998	4132987570.45701
1999	4493966608.33736
2000	4479512155.77081
2001	5023161894.31904
2002	5052652768.60455
2003	5878907738.0719
2004	6245120277.95499
2005	6769567184.03466
2006	7204964348.66122
2007	7838841721.61826
2008	8433415474.73352
2009	9263969495.13483
2010	9813293356.02663
2011	10715414716.7872
2012	11592169165.9547
2013	12432528712.784
2014	13242577360.9954
2015	13989331277.5
2016	14456917453.2597
2017	14900687410.712
2018	15538242579.8801