Year	current US$
1960	47027748915.352776
1961	56754897299.710556
1962	64380250719.7925
1963	73651749416.5975
1964	86559493094.45
1965	96339614175.86057
1966	111919514037.63416
1967	131182738819.2661
1968	155284536282.94778
1969	182449412468.13
1970	215144673897.22223
1971	243205922540.8402
1972	322535733422.39154
1973	438254609146.7223
1974	485490046247.2076
1975	528330313530.7248
1976	593864382020.047
1977	731215442151.1304
1978	1028250178994.9425
1979	1071221533836.8168
1980	1120601067178.911
1981	1236722170971.7878
1982	1152066327609.126
1983	1257623564131.788
1984	1337562522346.304
1985	1432956888257.444
1986	2122207632563.0579
1987	2576941373454.3257
1988	3127315111637.2236
1989	3131620635721.9688
1990	3220342369079.8906
1991	3670752570762.998
1992	4005686734632.8066
1993	4591568092120.527
1994	5040359933390.602
1995	5592682724570.379
1996	4982754040068.358
1997	4551410891232.316
1998	4148975633530.4985
1999	4692903320960.645
2000	5040235511364.954
2001	4442724323185.679
2002	4243893355025.999
2003	4592583679436.919
2004	4987574981745.584
2005	4938602699009.782
2006	4724628609114.586
2007	4720092396404.354
2008	5243862441285.029
2009	5422436226957.116
2010	5912477091132.791
2011	6414396892358.655
2012	6445536590964.036
2013	5391605623511.2705
2014	5079021304760.508
2015	4619771168713.414
2016	5177794688417.195
2017	5113251596855.534
2018	5233677416722.461
2019	5318494421653.026
2020	5241005753827.875
2021	5275289207258.22
2022	4515110236512.521
2023	4416932406212.582