Year	constant 2010 US$
1981	43584371159.9105
1982	45225421424.9928
1983	45538449501.1831
1984	44237867205.664
1985	49992247563.176
1986	53347016426.9688
1987	53353933189.9117
1988	56314299683.6182
1989	59099981373.1596
1990	61452360003.818
1991	63199217329.4857
1992	65137192599.2091
1993	64763037826.0965
1994	66974179509.599
1995	69795481270.2578
1996	74413025577.6936
1997	75796398971.5373
1998	79180035600.2242
1999	82331645768.8679
2000	85219848929.654
2001	87231809239.6862
2002	105564613962.094
2003	110628140640.574
2004	115888660139.701
2005	123300866951.38
2006	130912545615.49
2007	137783264321.884
2008	142778407951.162
2009	149195211771.144
2010	155650876563.211
2011	159922405062.885
2012	168782961970.929
2013	174810781284.11
2014	182073190752.405
2015	188171805328.722
2016	194295469782.299
2017	199925588719.409
2018	205618253659.142