Year	constant 2010 US$
1960	118539492001.817
1961	125241213751.793
1962	123976455850.055
1963	117387660528.189
1964	129490008973.677
1965	143055613465.146
1966	144078047724.879
1967	143478261921.463
1968	147679238822.481
1969	163243266651.976
1970	163174829929.16
1971	180732519509.149
1972	179151018892.269
1973	187609365281.876
1974	197976939866.802
1975	199862818062.332
1976	193353108291.465
1977	205128415941.429
1978	196172261820.645
1979	215657757818.158
1980	218923502705.018
1981	204526211222.169
1982	195959450708.099
1983	205163784650.292
1984	209391953494.776
1985	198312360966.454
1986	212343148020.735
1987	217871135784.396
1988	216111506526.632
1989	192577732911.904
1990	195716320913.098
1991	216086437439.659
1992	235846214913.219
1993	256813794762.148
1994	271350398983.665
1995	262671993666.667
1996	276574280961.037
1997	298708616945.815
1998	309151212077.495
1999	298270010264.487
2000	295789807860.241
2001	282142719472.434
2002	244887390893.179
2003	269868885382.636
2004	272754773419.73
2005	296405165845.516
2006	349020357514.82
2007	383021283511.918
2008	398965337738.063
2009	373069291336.86
2010	409192468872.686
2011	435957465402.241
2012	433818366813.926
2013	445365662286.872
2014	434707850183.459
2015	447430082761.275
2016	436593011538.157
2017	446300297112.512
2018	430072367535.143