Year	current US$
1960	4061650000
1961	3501280000
1962	3278430000
1963	3807060000
1964	3633510000
1965	3020220000
1966	3737140000
1967	3924730000
1968	5409310000
1969	3049870000
1970	9629750000
1971	14231068184.8587
1972	19325763804.4957
1973	28205911337.3906
1974	27358756750.2605
1975	26215752995.1883
1976	30018848177.0955
1977	34708074199.6053
1978	48474035391.8784
1979	52549420090.8978
1980	48591933862.3714
1981	43718806369.2458
1982	44761572816.2792
1983	42674220756.2804
1984	40140537865.6059
1985	44379844024.6046
1986	51734029307.793
1987	78756312006.1286
1988	58527563402.4573
1989	60708676479.0917
1990	67902226415.8996
1991	63000843281.9809
1992	90967080300.3011
1993	77639894484.7905
1994	77363207069.1661
1995	85005217182.8733
1996	83177914017.474
1997	77586698432.98
1998	74024121432.2423
1999	61038802742.0089
2000	56890479485.2706
2001	51403889553.9414
2002	51170639197.4245
2003	50694032408.4992
2004	48822652440.5447
2005	45139728831.8326
2006	41686538618.3393
2007	44326512207.1516
2008	43137195662.1989
2009	59925314606.5488
2010	62294943889.9431
2011	66928070887.4098
2012	67422250285.7565
2013	67365115663.6072
2014	62265928847.9195
2015	58506810555.4249
2016	59582016353.3968
2017	59356901123.869
2018	59173100675.4032
2019	59184533016.4154
2020	63969346748.6789
2021	99169059613.5975
2022	98413683336.7965
2023	100391907874.527