Year	current US$
1981	67671967537.793
1982	72964239960.3789
1983	74777327449.0238
1984	80415867065.2644
1985	88633332660.1812
1986	90723620436.2016
1987	99022587530.2216
1988	102188385413.097
1989	105414173939.505
1990	130319590639.635
1991	130977180031.338
1992	128166733974.434
1993	118018605356.742
1994	111883200687.763
1995	132753154399.823
1996	146926582324.519
1997	153293242626.692
1998	166098371579.076
1999	160646431673.828
2000	168004780900.687
2001	182089273590.321
2002	218301958377.787
2003	248318683916.748
2004	291621265585.519
2005	351303877139.648
2006	408743083677.064
2007	555441135816.937
2008	649978848396.575
2009	669704940002.947
2010	752371897923.158
2011	848103879360.671
2012	913787362750.341
2013	1108078424648.76
2014	1179975794166.4
2015	1117470526207.54
2016	1033559807316.07
2017	1065025679442.51