Year	current US$
1960	499999999.99999994
1961	463380281.69014084
1962	526760563.3802816
1963	556338028.1690141
1964	615492957.7464788
1965	898591549.2957746
1966	925352112.6760563
1967	703488372.0930232
1968	696078431.372549
1969	900980392.1568627
1970	1030392156.862745
1971	1071844660.1941748
1972	987218045.1127819
1973	1478448275.862069
1974	1480124223.6024845
1975	1339361702.1276596
1976	1398305084.7457628
1977	1792571428.5714285
1978	2223560209.4240837
1979	2410826210.8262105
1980	2574688796.680498
1981	2241453488.372093
1982	2314285714.2857146
1983	2423434744.2680774
1984	2172733202.870189
1985	2022098214.2857141
1986	2740242261.103634
1987	2567891156.462585
1988	2578767800.6329117
1989	2571702797.850658
1990	2641123988.2266374
1991	3005141038.5441885
1992	2873070848.1172028
1993	2204374836.213408
1994	2058220324.7949104
1995	2506796537.5185547
1996	2700752688.8295107
1997	2465868473.993633
1998	2694600417.016343
1999	2761257561.6085925
2000	1757527265.5201964
2001	1873056868.233504
2002	2167318469.94701
2003	2789409804.7450056
2004	3370713567.0570707
2005	4024164585.195242
2006	5917377749.268664
2007	6776402367.955189
2008	8434060773.086883
2009	8073379872.979222
2010	9027816274.73893
2011	9308513078.503906
2012	9133904005.058998
2013	12797278017.513311
2014	10728641067.467613
2015	9872630363.841253
2016	11707182382.193336
2017	11816431641.824116
2018	12205701515.159777
2019	11838343727.78453
2020	13205772995.752434
2021	15632492171.486643
2022	14491484176.297085
2023	16116177788.379335