Year	current US$
1981	61798674614.4362
1982	64328951580.4532
1983	65213135548.8019
1984	71699816099.8617
1985	81323633616.2694
1986	71118606452.1032
1987	73583976550.3802
1988	80734385949.5684
1989	70169078757.5739
1990	74627369044.1732
1991	78017847900.4451
1992	81322553575.1582
1993	81531902943.3524
1994	83115575835.1653
1995	97281975642.8364
1996	112247986587.477
1997	117842730782.997
1998	117029972880.374
1999	118473056093.877
2000	119688871035.053
2001	136202387880.807
2002	153340546718.27
2003	171496609361.205
2004	200432354958.813
2005	242807273618.859
2006	289014539437.711
2007	377955655415.429
2008	433717763775.933
2009	430955536457.902
2010	496872647218.179
2011	574753025339.825
2012	602704262976.657
2013	727144999389.024
2014	792087123893.171
2015	788766258632.968
2016	739935375856.217
2017	730123546683.572