Year	current US$
1960	6000000
1961	0
1962	0
1963	0
1964	6099999.90463257
1965	0
1966	7700000.002980229
1967	7899999.9165535
1968	2900000.09536743
1969	3500000
1970	2700000.04768372
1971	6699999.80926514
1972	18970000.2670288
1973	1200000.04768372
1974	289999.961853027
1975	-3050000.07152557
1976	799999.974668026
1977	-2100000.0238418602
1978	-1200000.04768372
1979	-2769999.9883770896
1980	37860000.573098704
1981	20150000.3933907
1982	26149999.856948897
1983	20949999.1498888
1984	8420000.21412969
1985	5109999.95470047
1986	13129999.6376038
1987	17789999.971166298
1988	25100000.7484108
1989	41309999.296441704
1990	72050000.2000481
1991	158029995.99278
1992	178719998.97249
1993	442620008.010417
1994	404660009.501502
1995	399680016.17863804
1996	476669991.73909396
1997	345270000.347868
1998	493029996.592551
1999	516979998.599738
2000	361179997.731
2001	302860005.17942
2002	424690003.83839
2003	656210008.552298
2004	486529999.7814
2005	120419998.943806
2006	224680001.148954
2007	216779996.51432002
2008	430279989.272356
2009	277759993.67237103
2010	177450000.107288
2011	333670005.310327
2012	54360000.513494
2013	55859998.3304739
2014	275850007.936358
2015	17629998.652264502
2016	240869999.76635
2017	508750009.192154
2018	372720008.611679
2019	469720008.969307
2020	775359993.390739
2021	459809993.583709
2022	1394570014.1787539