Year	constant 2010 US$
1975	121392108.2761
1976	159210210.641454
1977	157809650.998644
1978	257724516.745334
1979	178352788.164917
1980	317486914.321668
1981	286671909.371311
1982	291807693.662879
1983	275933587.307555
1984	303013068.408205
1985	333361319.877941
1986	355043215.856548
1987	420766893.14306
1988	557973566.785609
1989	421444583.292807
1990	552552943.190483
1991	605402901.239402
1992	867534049.563312
1993	670676879.499394
1994	577034163.249014
1995	586534391.78533
1996	606991059.877308
1997	555469554.042462
1998	627636224.567228
1999	443713212.332627
2000	467578676.837878
2001	475836922.234416
2002	594471295.362518
2003	664345787.41611
2004	738690640.850437
2005	740705160.840832
2006	837524493.567973
2007	847825982.246017
2008	920917782.105451
2009	1039275173.11548
2010	1111424541.6079
2011	1155200562.94038
2012	1046571176.6709
2013	1010091158.89383
2014	1086293862.69481
2015	1139797888.76784
2016	1183573910.10032
2017	1240320604.42019
2018	1279475823.50091