Year	current US$
1960	15440421894.013887
1961	15308606107.569067
1962	15393687206.092545
1963	16098302500.906683
1964	17520714669.17944
1965	18476192601.97501
1966	20913143895.216248
1967	21552542006.809246
1968	22984552494.4713
1969	25025800805.443665
1970	28500266015.609383
1971	31910791414.615803
1972	38152764677.60103
1973	53971232676.10552
1974	86467133683.40549
1975	92846637860.95978
1976	97616789055.7498
1977	112914087272.72945
1978	130993370480.90428
1979	165780246986.15726
1980	208513756248.13303
1981	209199303176.78955
1982	187589048599.94077
1983	177588901503.00507
1984	180829125923.64124
1985	190720588751.3997
1986	193690893998.03522
1987	209188789651.6761
1988	247944860272.63342
1989	280006859923.908
1990	302784087490.8865
1991	342070487791.6404
1992	389133897034.2175
1993	436435590133.1492
1994	515294640757.3254
1995	640544124753.4657
1996	692230879068.397
1997	719348164542.689
1998	670312117497.1558
1999	667197893007.321
2000	799722050566.402
2001	832808011633.0858
2002	917420788105.6711
2003	1135082362507.7217
2004	1478739123335.2744
2005	1747807304281.6628
2006	2098455534744.0654
2007	2625813710516.74
2008	3219858133427.8228
2009	2562560988948.336
2010	3297998905045.13
2011	4081550678422.439
2012	4240061103755.891
2013	4477021352955.423
2014	4467030082724.18
2015	3826299559147.7173
2016	3682585435534.109
2017	4200649127255.218
2018	4728021556325.666
2019	4686688376157.413
2020	4465082588901.148
2021	5794914488604.62
2022	6264293868229.419
2023	6017485933493.801
