Year	constant 2015 US$
1960	6410991224.3777895
1961	6369394210.338746
1962	6712569576.066659
1963	6692662433.625614
1964	6944027246.828421
1965	7601854311.396196
1966	8402596831.176774
1967	8545215164.863429
1968	8923450870.866497
1969	9543246379.70912
1970	10106291676.490198
1971	11362224378.302599
1972	12007869460.109442
1973	12217340137.935461
1974	13390078811.481367
1975	12012029161.475672
1976	11999252935.850843
1977	12460979791.458147
1978	13303913568.3301
1979	14521517592.702805
1980	13345510582.180735
1981	12925380740.800896
1982	12687089274.749067
1983	12533477444.406115
1984	12432753246.096247
1985	12758398441.592396
1986	12896850524.952656
1987	12564691445.350506
1988	13015934906.461197
1989	13505344132.70294
1990	13617263064.339045
1991	14104333775.339312
1992	14893162871.065355
1993	15535355080.247362
1994	15836483863.011595
1995	16497594059.836662
1996	17154297055.128893
1997	17932544419.71201
1998	18024633539.421425
1999	18360073689.634068
2000	18727852607.042965
2001	19102118363.304943
2002	19469939474.673885
2003	19624853332.241207
2004	20577089985.1459
2005	21538784573.761124
2006	22830036808.023346
2007	24363690590.440285
2008	24313589545.61834
2009	26618967164.428974
2010	27597013066.494408
2011	28313856194.66535
2012	29283911894.855682
2013	30144108421.92024
2014	31394025280.15769
2015	32954137771.704655
2016	35456982409.97011
2017	37111682651.474556
2018	38251482447.00457
2019	38479500709.45382
2020	37128433606.449905
2021	42371101115.755066
2022	45129871900.01877
2023	45918418192.5081