Year	constant 2010 US$
1960	33786418559.2273
1961	35310397489.8953
1962	31897100170.1393
1963	34587114415.9826
1964	38499873339.6726
1965	45353793869.4735
1966	47987882703.918
1967	55102442228.8573
1968	65283403045.8185
1969	71912759034.5407
1970	80392465982.718
1971	80956116930.5866
1972	102730103659.702
1973	108715552953.911
1974	160101095187.369
1975	210660192831.992
1976	264385471432.98
1977	276324501994.242
1978	237268037823.325
1979	176203440287.946
1980	197253151154.677
1981	183842333054.508
1982	178402291288.675
1983	212756808135.626
1984	183749269574.851
1985	174306188836.81
1986	165017346521.485
1987	157521322576.006
1988	126860845925.488
1989	142958812403.43
1990	162265643357.78
1991	184715412984.05
1992	177221239075.7
1993	145487609429.926
1994	123687582461.395
1995	143676436438.914
1996	166231084884.321
1997	164737624810.9
1998	175947892407.813
1999	182217526969.451
2000	190341596472.152
2001	210706964031.36
2002	239410691240.957
2003	270600606241.585
2004	290629757549.999
2005	294683482466.58
2006	308985965052.328
2007	355289621409.872
2008	399734690138.151
2009	417033060782.864
2010	446345141171.815
2011	434341614465.525
2012	430002060660.693
2013	430781441060.215
2014	450489207819.176
2015	434584831817.117
2016	453326031885.08
2017	479041242352.358