Year	current US$
1970	4216774699.351804
1971	4979520684.816961
1972	5407546826.143712
1973	7481529015.921469
1974	9907756737.72948
1975	12311695268.706118
1976	13977091542.197378
1977	15817225509.533201
1978	14028193731.75896
1979	15316245729.744675
1980	18391844833.171364
1981	17798937189.65067
1982	18134955066.62535
1983	16377802752.042103
1984	17209826625.007656
1985	18123575117.480106
1986	26066777556.89886
1987	29869536178.10761
1988	31223569126.89888
1989	28374393511.478024
1990	29665958432.51274
1991	27192922920.298016
1992	28307506637.70215
1993	26715298628.437717
1994	29264197460.893223
1995	36799785326.4301
1996	37447517752.48845
1997	40660219979.07654
1998	43572914871.90362
1999	39912426915.581085
2000	37408598241.26883
2001	35806577176.72965
2002	39829905558.756485
2003	44566113951.58329
2004	57057915974.36506
2005	69504384943.73302
2006	83014360781.50095
2007	109014620331.9856
2008	119870390070.922
2009	94261565128.89017
2010	107714269957.259
2011	127576110307.8829
2012	132665921787.7095
2013	143747234042.5532
2014	136522454377.14882
2015	104488043815.23195
2016	102852976190.47618
2017	110692202296.99774
2018	121939501998.15555
2019	121034659090.90909
2020	115260854942.91534
2021	126285215366.70547
2022	128803155066.30836
2023	125472420321.86848