Year	constant 2010 US$
1981	589925979765.346
1982	559097919452.112
1983	529918943811.348
1984	516650825323.944
1985	515775360907.94
1986	497062438733.278
1987	476552523771.38
1988	501758849139.765
1989	511953688136.052
1990	539204078363.265
1991	549555802655.186
1992	555297032757.017
1993	566110228253.371
1994	575833402752.007
1995	595002430369.615
1996	636859136998.655
1997	655304900391.003
1998	674578038386.443
1999	674236018628.306
2000	700762492007.728
2001	764724873116.546
2002	793843801545.146
2003	856197608817.526
2004	937654506302.143
2005	997523737439.646
2006	1051368474223.64
2007	1202005902546.42
2008	1231316214972.34
2009	1309527337404.65
2010	1360218011099.49
2011	1406302319796.92
2012	1465444484727.63
2013	1572895369439.18
2014	1621177303177.18
2015	1653053902262.83
2016	1637778691512.16
2017	1662995783888.63