Year	constant 2010 US$
1960	6222768521.73026
1961	7154466762.56703
1962	6696013445.65728
1963	7355926720.12982
1964	8540120287.77028
1965	8637260490.57965
1966	9398379497.27567
1967	8921415046.43786
1968	8933525134.05435
1969	9746890518.75291
1970	9680458038.11391
1971	10207506351.3085
1972	10507577022.3198
1973	11197160011.4527
1974	11897469078.1888
1975	12526761131.1168
1976	13639245679.9425
1977	14042857600.0747
1978	12639384945.9501
1979	14096141985.5873
1980	11750158512.3968
1981	13592448841.3674
1982	14652341009.6872
1983	16016023375.9291
1984	15575129686.0633
1985	16531826607.7655
1986	17421399043.8221
1987	16652408480.1754
1988	18238743457.3089
1989	18210890255.791
1990	17193037391.6255
1991	17737558831.2382
1992	19328478341.5408
1993	18513901948.0806
1994	18535700105.7903
1995	19824818932.565
1996	20684375651.4578
1997	21621436931.0962
1998	20027489898.8894
1999	21105374197.3823
2000	21340915401.5229
2001	21677143334.132
2002	21211596965.9041
2003	20085358817.571
2004	21895557414.3579
2005	22201423627.3
2006	22547772133.1314
2007	23465630273.835
2008	24779488279.5977
2009	25583165594.2031
2010	24477428094.1923
2011	23999252634.5928
2012	23793640646.9901
2013	24529587971.569
2014	25412326858.1848
2015	25302644064.6298
2016	24602161996.642
2017	24679320554.8842
2018	25038644154.5905