Year	constant 2010 US$
1964	354134147.702867
1965	362499531.573217
1966	343396942.767815
1967	300839197.865979
1968	280132080.283846
1969	313103563.626262
1970	341757410.580755
1971	358800360.908793
1972	417368334.1393
1973	422152732.467881
1974	486835418.183301
1975	580959590.205486
1976	1103712959.43944
1977	1111192927.42043
1978	960052776.716231
1979	846534039.196241
1980	744724901.504043
1981	659412799.581348
1982	532576697.547441
1983	568605139.71584
1984	512338820.883915
1985	493488983.462843
1986	423299842.84814
1987	455718638.798405
1988	478959519.027997
1989	499298310.912404
1990	485256447.652745
1991	363613289.73032
1992	272463406.766716
1993	278537728.884345
1994	276813851.573636
1995	271047562.652825
1996	289543869.694374
1997	290107556.212261
1998	335142658.087141
1999	386749123.475315
2000	424689076.262555
2001	432835152.70435
2002	590917373.822634
2003	722160937.156285
2004	709772957.02051
2005	702802679.100196
2006	787049407.154209
2007	893063753.294898
2008	820944531.423974
2009	784013524.859115
2010	862363806.38941
2011	896449360.988294
2012	998284226.110183
2013	1021088435.44521
2014	1061940761.6171
2015	1047355824.21437
2016	989252821.666579
2017	1026785195.98316
2018	1066169035.05209