Year	constant 2010 US$
1980	2839395383.77184
1981	3917004699.33067
1982	3691832603.501
1983	3939893071.83807
1984	3806893070.14415
1985	4278888424.56279
1986	3660283765.82845
1987	1813748871.79748
1988	3404181439.19682
1989	2150269793.9682
1990	2150269793.9682
1991	2536773984.67931
1992	2213094927.92527
1993	2323096144.26625
1994	2164003175.62182
1995	2292134599.36976
1996	2541848891.56802
1997	3497796558.451
1998	3944772760.70189
1999	2530534012.37195
2000	2321250200.09414
2001	2570325457.09643
2002	3082957951.80444
2003	2576775828.22354
2004	2621369393.94891
2005	2655478120.9924
2006	2839381961.471
2007	3118120073.29151
2008	3440577677.32546
2009	3397382466.66981
2010	4509627181.15317
2011	5451657571.8306
2012	6128992247.81344
2013	6560629014.4623
2014	7069283922.21676
2015	5967330030.61673
2016	5889247211.52548
2017	5212350029.81421