Year	constant 2010 US$
1960	5818830926.10209
1961	6121883593.09352
1962	6443048454.23819
1963	6226259916.01958
1964	6820140763.66881
1965	6747407632.65843
1966	6922198849.52889
1967	6735747094.84144
1968	7427553595.36153
1969	7499779656.46308
1970	7906475405.29644
1971	7550043728.02809
1972	6741690273.61026
1973	6760086443.10513
1974	7195314898.12765
1975	6866954928.97754
1976	7442945764.36274
1977	7170664790.36734
1978	7732430457.25244
1979	7681024713.84072
1980	7564411004.74437
1981	7814330420.44503
1982	7894328627.05796
1983	8201397757.88026
1984	8603684416.73988
1985	8620068483.61075
1986	8906688469.52922
1987	8915152798.87559
1988	8876278775.85073
1989	8860565342.46693
1990	9676771717.12974
1991	9882805015.43972
1992	10112417275.6576
1993	10354010684.9591
1994	10430320612.0681
1995	10391467771.8617
1996	10699843024.1872
1997	11183323151.0005
1998	11623432672.3371
1999	12074601054.0434
2000	12966946201.5148
2001	13324565088.8455
2002	13308722029.3142
2003	13838921701.0172
2004	14527202353.4797
2005	15163850456.5286
2006	16005856276.9821
2007	17077047612.6085
2008	17844467569.4041
2009	18462972601.8145
2010	19598804913.9026
2011	20472199979.1402
2012	21089287650.2272
2013	21609114872.6952
2014	22553837294.5821
2015	23304514944.5716
2016	23953841175.3989
2017	24666429239.7555
2018	25698785815.7681