Year	constant 2010 US$
1980	27992396236.6319
1981	29756783741.7084
1982	31208793894.6798
1983	32408739813.1853
1984	33572132665.4934
1985	34391731487.7487
1986	35529493502.0983
1987	37459153512.9281
1988	39392629213.4832
1989	38246456816.0282
1990	40028667930.1476
1991	31299313862.1903
1992	30284469744.1451
1993	29128801543.2517
1994	27797116488.4256
1995	27020216055.2322
1996	25408366725.3283
1997	23675505685.664
1998	27516312440.7743
1999	28913835115.7439
2000	30997698659.8078
2001	33525179369.162
2002	35251049140.3818
2003	38330106944.6325
2004	41726411263.0296
2005	45881751726.0051
2006	51017124678.4892
2007	56514958711.2495
2008	60371260322.1876
2009	53888385000.6769
2010	52052118586.7064
2011	52493975903.6144
2012	53591444429.403
2013	52239677812.3731
2014	53885068363.341
2015	55663801272.5057
2016	56563963720.0487
2017	59262555841.3429
2018	62907675646.4058