Year	current US$
1960	23638465762.372303
1961	11415559017.779202
1962	7429461014.237904
1963	11034704004.250532
1964	14537402056.780197
1965	19089166799.69892
1966	23364655783.61278
1967	17391384871.856426
1968	17665789279.347015
1969	19933364229.31267
1970	30438001510.27151
1971	33570752158.270603
1972	35525993382.8226
1973	45658319637.52177
1974	47879670018.00514
1975	57258710409.53897
1976	51138255627.98269
1977	59266474723.37247
1978	56233026138.21138
1979	64710334643.478264
1980	66147553729.16667
1981	64535523825.39683
1982	65587896076.33588
1983	73648734593.86974
1984	89365467310.7143
1985	120898734132.65306
1986	113467013495.65216
1987	101875915735.42601
1988	122062518395.06172
1989	129399924939.27124
1990	123261300353.72849
1991	135086802700.34843
1992	166803943767.66092
1993	192493706992.6321
1994	226012513727.3498
1995	285257162024.1212
1996	324266353270.1681
1997	341589349101.4338
1998	358253939686.6128
1999	373161537221.031
2000	406680720635.0326
2001	476044465310.66315
2002	531657230030.3119
2003	657805319596.8557
2004	818257819440.1436
2005	922297304107.2246
2006	1098379877425.5221
2007	1437250452827.5398
2008	1941981447848.5405
2009	2313935057651.298
2010	2833962406766.9985
2011	3523560369860.6245
2012	3944025353747.9727
2013	4440598042402.561
2014	4800345425538.876
2015	4782449534780.391
2016	4788916318377.455
2017	5295148247140.19
2018	6085063022945.887
2019	6176244264484.391
2020	6369586163393.142
2021	7687799528622.766
2022	7715318536391.755