Year	current US$
1967	497382747.2485459
1968	769173673.7859591
1969	751533742.3312883
1970	1175342465.7534246
1971	1345889844.1955976
1972	1816385542.1686747
1973	3263373493.9759035
1974	7482168674.698795
1975	6868915662.650602
1976	8264096385.542169
1977	10760963855.421686
1978	11251894887.50761
1979	15453888920.662182
1980	22088390916.735367
1981	23629067626.48684
1982	20176590280.006706
1983	22488286931.259632
1984	23177770013.342327
1985	20279853770.10211
1986	16387068856.944656
1987	18661070321.419647
1988	21110162564.156116
1989	24640067876.928463
1990	28982531183.372494
1991	33063806609.36701
1992	38801726176.40104
1993	42274397859.498924
1994	46896633113.50226
1995	53185312942.03891
1996	58717201041.711136
1997	60106038403.57872
1998	50555726234.550064
1999	49720260589.80746
2000	67621169165.82696
2001	62625875833.907555
2002	63956798804.501
2003	71553141044.98885
2004	82744351781.01666
2005	97387627565.99608
2006	113143425287.79828
2007	127226102177.0047
2008	152090401421.80157
2009	130357798591.18498
2010	183480562961.18924
2011	235095129135.96417
2012	225744403267.7423
2013	218308408831.07547
2014	210820082828.4685
2015	182158298804.8821
2016	177886012743.8581
2017	204924485909.91135
2018	218905647884.81442
2019	208057763662.3828
2020	183546577015.8461
2021	254109508154.4917
2022	323223074354.1773
2023	298182855809.8782