Year	current US$
1970	4586652480.085119
1971	5267648351.025383
1972	5746182568.835191
1973	8276214922.473898
1974	11237070599.490948
1975	13488492222.923723
1976	15656922935.947952
1977	17703766319.150932
1978	16416839936.66902
1979	19333543966.351376
1980	23299927113.702625
1981	22306298458.05384
1982	22290517508.521847
1983	20438709500.575626
1984	20504441585.492863
1985	22448587912.34355
1986	28849987152.960903
1987	31705380333.951763
1988	33175847782.72211
1989	34084003186.32776
1990	39122961164.27305
1991	37780622869.39487
1992	39401882693.70022
1993	36845547708.65931
1994	39271565404.67014
1995	46643515595.40346
1996	50313808180.09861
1997	51824016738.76778
1998	53777153384.31565
1999	50534029131.19294
2000	49207775682.24681
2001	49088715148.41465
2002	52991307397.4799
2003	61127651761.24969
2004	73112835271.77783
2005	83779123011.2534
2006	94092432912.85298
2007	116704027841.7524
2008	132813829787.23405
2009	107291636849.38696
2010	121079056941.95499
2011	140067440416.86618
2012	139534336055.00644
2013	147870468085.10638
2014	147559217138.32312
2015	123654686369.74263
2016	123078452380.95238
2017	130071126334.87805
2018	139774362127.26712
2019	140014431818.1818
2020	121847101513.40831
2021	141881373690.33762
2022	161167894599.9826
2023	157642757967.8137