Year	constant 2010 US$
1981	459868510606.493
1982	442554030230.359
1983	405451431908.219
1984	421967237154.819
1985	426046741390.257
1986	409369360697.827
1987	402835816944.965
1988	428832857418.54
1989	447778773467.298
1990	399632130380.301
1991	422001837016.894
1992	424307356346.765
1993	422954149724.059
1994	428201826814.738
1995	449930562109.839
1996	478202551082.277
1997	497201193717.276
1998	503573641507.861
1999	523816268605.596
2000	549175780490.429
2001	593266743158.544
2002	637191664690.279
2003	676680347057.94
2004	738530829749.276
2005	778573776755.501
2006	850785464739.638
2007	922399321370.369
2008	903028918062.099
2009	979708550590.013
2010	1028750291479.6
2011	1046290984857.82
2012	1122477028047.98
2013	1162364463784
2014	1230661837601.08
2015	1270249150473.49
2016	1257415506069.05
2017	1273969697939.79