Year	current US$
1960	162399935.04002598
1961	152599938.96002442
1962	130199947.92002083
1963	327599868.96005243
1964	314999874.0000504
1965	274399890.24004394
1966	83999966.40001345
1967	648199740.7201037
1968	450799819.6800721
1969	589399764.2400943
1970	604799758.0800968
1971	848693473.4493167
1972	-225047969.03964356
1973	126808644.31472176
1974	1471720161.2416608
1975	511150656.9232516
1976	-630200157.5500394
1977	-465750116.4375291
1978	-594550148.6375371
1979	-117573985.50870939
1980	2956984415.164207
1981	4266282579.6879826
1982	-1931266439.2493758
1983	-657930167.8484875
1984	141668310.4257709
1985	-1499994391.2863023
1986	-470890560.8324084
1987	-1589856353.0158892
1988	292944523.5208941
1989	395016237.22631496
1990	-1769011266.866384
1991	-34766044.43897201
1992	-961425855.5533037
1993	-863899291.9269636
1994	2274418313.855083
1995	3430578549.9926248
1996	1246235185.8386002
1997	243274575.6149899
1998	-131686432.89671804
1999	1233001019.3986921
2000	1021639153.0164725
2001	285044535.59519774
2002	1302279620.2204645
2003	1970587523.7896194
2004	4586905291.00996
2005	2754379079.047346
2006	3417386479.8142934
2007	1013716109.811202
2008	-1035560957.4998763
2009	-2387158155.954548
2010	141940757.97728848
2011	4783000047.375533
2012	2821874614.794334
2013	2365429472.964291
2014	711946377.8540076
2015	2164347580.917126
2016	-1556612368.1061678
2017	808400205.815412
2018	1006730436.6066426
2019	1369677529.6023574
2020	-4298653991.210336
2021	-582816785.1008054
2022	4734984852.211621
2023	1776143480.8125029