Year	constant 2010 US$
1981	109204889975.303
1982	101823798769.22
1983	90780125349.0342
1984	92464045806.1731
1985	94117578509.4504
1986	92905007876.0142
1987	99136426906.0366
1988	106296696849.448
1989	101733077318.016
1990	100734450845.933
1991	98601644863.6441
1992	98927701962.7967
1993	90985414511.4379
1994	87818964909.9907
1995	87794400832.753
1996	90194883776.5012
1997	91006946571.8587
1998	89783106144.5311
1999	92091407431.59
2000	95537651965.6654
2001	97447221325.727
2002	103736784463.126
2003	100940773881.528
2004	104088860424.479
2005	111127631616.962
2006	115825012018.81
2007	122065862059.524
2008	126424252819.783
2009	122971752187.802
2010	128715468386.198
2011	137775490628.866
2012	145217342524.357
2013	156100582950.509
2014	164056183618.266
2015	166357573757.487
2016	168970547966.491
2017	172041346231.151
2018	174594243124.279