Year	constant 2010 US$
1981	66223362602.44
1982	68934154625.1743
1983	70758385905.7789
1984	74126277403.224
1985	76786139380.3758
1986	79248752854.5917
1987	81470038274.6917
1988	82425544795.0071
1989	85020154458.5588
1990	87027180987.6423
1991	90232446243.8963
1992	91657793305.6547
1993	92750426642.469
1994	91663008566.245
1995	88270794432.2577
1996	89908836197.7963
1997	92726943854.4519
1998	94011896039.7962
1999	94180741021.6168
2000	96945806903.6538
2001	100761789813.436
2002	106565995447.908
2003	112022545387.026
2004	126943097328.71
2005	134062205334.49
2006	145645344215.041
2007	167481977934.278
2008	178315183430.466
2009	180425662453.36
2010	193666696602.354
2011	208657499107.421
2012	217393658915.031
2013	222742847930.841
2014	224077244988.262
2015	224587823649.067
2016	220545057047.074
2017	222628580711.313