Year	current US$
1960	-4800000.39190054
1961	3340000.21778047
1962	-6080000.13418496
1963	8649999.69303608
1964	-11510000.0947714
1965	19750000.3613532
1966	17400000.447407402
1967	-169999.873265624
1968	-8569999.95559454
1969	-13140000.0099093
1970	-15009999.7669458
1971	-11179999.9922514
1972	-2720000.3210455202
1973	35240001.7157197
1974	39509998.686611705
1975	47209999.1757423
1976	49469999.2183596
1977	79220000.4849583
1978	131789999.144152
1979	165969999.784604
1980	118460001.492873
1981	176510002.09152701
1982	184410001.380369
1983	240620000.77590302
1984	229019997.44586602
1985	224920003.231615
1986	316539999.803528
1987	417979999.518022
1988	399260005.718097
1989	563379999.035969
1990	561220000.652596
1991	846800008.405
1992	772229997.940362
1993	737080016.536638
1994	832269994.929433
1995	1141600003.35798
1996	985949993.636459
1997	715099996.294826
1998	552880000.4478539
1999	814500004.027039
2000	799549991.2276859
2001	738200012.67083
2002	592400001.861155
2003	463870002.089068
2004	309280002.00912404
2005	408510002.721101
2006	431389993.287623
2007	225600000.52303103
2008	269450002.27540696
2009	142610003.301874
2010	-343549974.84572196
2011	347929997.894913
2012	-194149995.354936
2013	-34219998.8998473
2014	29379999.9989569
2015	-18410004.556179002
2016	78289999.216795
2017	-347189988.642931
2018	187920000.55313098
2019	157420002.778992
2020	380450000.16503
2021	473230001.451448
2022	647499990.4930594