Year	constant 2010 US$
1960	776609452.472562
1961	706326961.377819
1962	849518714.224444
1963	1008383944.44144
1964	1144862661.54444
1965	1224192563.4408
1966	1404829269.28215
1967	1493526385.50895
1968	1359720518.09048
1969	1175142747.10069
1970	1543578514.91019
1971	1922972692.26053
1972	1932845365.02366
1973	2325790068.03842
1974	2616915770.84947
1975	2283145464.29273
1976	2199849281.91769
1977	2652574508.69887
1978	2749143836.19506
1979	2816947832.37514
1980	2901189160.26839
1981	3107637548.51784
1982	3089917838.06326
1983	2790338548.13817
1984	3045519116.81974
1985	3332383063.40465
1986	3363992132.85401
1987	4146633593.71579
1988	3956515141.84669
1989	3550683958.46593
1990	3585864783.73023
1991	3774433539.15641
1992	3549011589.59325
1993	3282792710.96929
1994	3408260331.65317
1995	3531554520.86233
1996	4047129288.43692
1997	4324939746.78331
1998	5273967709.11686
1999	5450809328.91026
2000	5876151201.60826
2001	5289308229.52892
2002	5144790803.5694
2003	5672227562.43571
2004	6451743851.99781
2005	8310936979.61401
2006	9127110650.60576
2007	8920583268.92595
2008	7108657503.7861
2009	5518490821.179
2010	5761757378.72444
2011	6151866816.15713
2012	6435075426.68644
2013	6443680936.45129
2014	7073966856.14114
2015	8049139308.38769
2016	9215581081.41318
2017	10363686005.7132
2018	10378979608.4631