Year	constant 2010 US$
1960	619.807131163818
1961	656.816627131298
1962	627.695615267814
1963	640.233407340411
1964	687.770885683531
1965	670.577718454344
1966	660.804674707406
1967	636.750588842862
1968	635.948020122981
1969	643.068901604481
1970	682.376376074357
1971	645.309294901118
1972	595.535000453564
1973	504.381801583552
1974	472.27586740635
1975	442.000744173827
1976	431.525872056356
1977	368.271300446098
1978	414.85494077793
1979	416.333968174392
1980	421.740100996166
1981	396.814775068533
1982	374.327428233392
1983	374.280119462512
1984	390.916051171275
1985	385.831242597762
1986	386.536676940422
1987	386.80757924725
1988	391.522518575798
1989	385.213838550953
1990	404.686603196826
1991	394.131955601342
1992	400.636242164282
1993	405.392051058174
1994	411.340918893769
1995	417.738277773493
1996	408.538502250099
1997	404.203254131736
1998	402.58073344731
1999	410.263974536923
2000	422.348290706308
2001	431.58426163879
2002	428.280534626449
2003	437.984501858318
2004	456.693407898843
2005	480.253351206935
2006	507.220764346606
2007	538.283679595635
2008	553.333173924764
2009	559.728012174704
2010	578.949254276307
2011	609.518238261851
2012	627.308322244625
2013	651.888749815671
2014	670.298012417935
2015	701.409441578078
2016	714.626115465802
2017	759.522077512664
2018	834.435116261601