Year	current US$
1960	-33616086.55356538
1961	-12725574.909770036
1962	-14822214.071114372
1963	1055599.5777601688
1964	-49569920.17203193
1965	-34859986.05600558
1966	17359993.056002777
1967	-8699170.264855213
1968	-56759954.59203632
1969	-79799936.16005106
1970	-58800023.520009406
1971	-109629900.02425545
1972	-155447840.92982045
1973	-182624113.47517732
1974	-242990242.990243
1975	-296010296.01029605
1976	-262350262.35026237
1977	44990044.99004499
1978	85193220.20466186
1979	-20002515.897183668
1980	729754.914618675
1981	-256705324.965477
1982	-349159715.28331333
1983	-265342816.05016413
1984	-143172194.2049364
1985	-206510465.48403382
1986	81437294.63822646
1987	10990242.345671963
1988	-159076379.6803311
1989	-387004133.5909183
1990	-175138602.6635489
1991	-48622076.4080184
1992	-33418535.47209749
1993	289756318.50348014
1994	-15686424.801742785
1995	-335466414.84347683
1996	-534165843.2463016
1997	-655736463.9891346
1998	-668618331.0533516
1999	-547312374.548635
2000	-1074566658.2142434
2001	-1259624425.9042857
2002	-1586419613.605783
2003	-1407339279.277276
2004	-1447860359.6242964
2005	-2242186847.0842056
2006	-2443604693.840754
2007	-2788654009.6839294
2008	-4070429568.7338166
2009	-2172705068.32539
2010	-2412732782.9374475
2011	-3334491240.6197896
2012	-3209088849.57287
2013	-3153502748.658555
2014	-3090039144.4441047
2015	-2309134652.4750595
2016	-1805850946.5147307
2017	-2104215713.1309078
2018	-2021439836.0264394
2019	-2222393632.83084