Year	constant 2010 US$
1981	81368734079.3863
1982	71869299086.572
1983	55417496535.1966
1984	58726489601.3793
1985	72111930486.5614
1986	65368867303.1942
1987	61712262049.7415
1988	66019707086.4701
1989	60998308733.7964
1990	75527275464.8372
1991	79989434571.9837
1992	93529908673.4354
1993	85819170429.4136
1994	77363998674.6331
1995	81200282571.2917
1996	97426611998.1637
1997	94267942468.2963
1998	93953624140.7071
1999	85931035695.0858
2000	87450761885.7204
2001	139385589534.791
2002	160601682396.971
2003	177894968410.092
2004	178298476251.846
2005	201036315838.534
2006	173460312588.99
2007	233448817013.533
2008	196148099933.466
2009	239854840300.603
2010	244027897044.538
2011	236569951952.122
2012	236583341933.359
2013	286419595552.835
2014	288177355031.338
2015	287262514290.277
2016	275612892484.93
2017	272987867117.992