Year	current US$
1960	422760000
1961	542870000
1962	627380000
1963	692380000
1964	717380000
1965	611330000
1966	632110000
1967	783350000
1968	795640000
1969	822240000
1970	1043790000
1971	1546513761.70296
1972	1926925248.61509
1973	1992347126.19018
1974	2534540967.073
1975	3582756269.23949
1976	3560497148.29675
1977	3350515476.05985
1978	5046547357.23644
1979	4075202738.08829
1980	5280499044.0942
1981	5284907140.25294
1982	5300260830.34788
1983	4515346176.6522
1984	4244279340.76817
1985	4767041739.89455
1986	6161854635.3039
1987	7532104413.45458
1988	7368170540.02772
1989	8598013851.28919
1990	9376412542.14622
1991	10331965769.7864
1992	12382538287.0186
1993	14610450834.0858
1994	16822106310.4833
1995	18730063294.5262
1996	22864810076.3267
1997	19736341901.5263
1998	22432418733.7637
1999	15120494280.5772
2000	14318557871.9085
2001	12509149438.845
2002	9683215409.34699
2003	8470013826.67912
2004	7858351360.20201
2005	6839052057.72804
2006	7010007227.52574
2007	10688538215.2108
2008	8911960384.84544
2009	8114274014.9959
2010	9589312425.02126
2011	10986937165.179
2012	12232101627.7746
2013	12473847962.0136
2014	14145081235.2233
2015	12697611667.636
2016	12940101580.5846
2017	9894238649.26207
2018	11653251921.0656
2019	9906351437.81142
2020	13415880225.1269
2021	17572460020.5267
2022	16762919076.3888
2023	12646546521.99