Year	constant 2010 US$
1980	5300397394.61356
1981	4709441863.9416
1982	4702166294.35714
1983	4749250395.15475
1984	4725980065.03386
1985	4712358932.98493
1986	4912753966.22732
1987	4687694908.14064
1988	4750372001.41636
1989	4749593546.87661
1990	5070273493.39897
1991	4588032037.66067
1992	4752348833.88413
1993	4898365165.00028
1994	4863430139.68611
1995	4872390069.54601
1996	5145264077.48314
1997	5381489654.47976
1998	5724035788.62247
1999	5977286936.05394
2000	6285204805.90611
2001	7006466177.11878
2002	6331241295.92724
2003	6876410564.11825
2004	7316250947.50945
2005	6856587272.79862
2006	7156124749.00071
2007	7349708983.33611
2008	7872414353.63571
2009	7551661223.61494
2010	8075675188.5764
2011	8306806441.39863
2012	8819595022.40537
2013	8894429764.40104
2014	9254615865.27896
2015	9346610624.32924
2016	9783297161.47713