Year	current US$
1960	-51428562.85714286
1961	-37142857.14285714
1962	-59999991.428571425
1963	-25714277.14285714
1964	-5714294.285714285
1965	-8571428.57142857
1966	-45714285.71428572
1967	-11428571.42857143
1968	-22857142.85714286
1969	-35211267.6056338
1970	-14404033.129276197
1993	-420854953.47712904
1994	-359651679.64483553
1995	-529889412.4367553
1996	-646408625.1892601
1997	-402905994.6034008
1998	-410123184.7177849
1999	-460354834.5779648
2000	-435453284.89880645
2001	-360892970.05606526
2002	-379079535.052336
2003	-467682005.0263885
2004	-389641935.8613649
2005	-545136102.6267563
2006	-540354296.2285993
2007	-657982415.9380382
2008	-231236708.5524163
2009	-696606642.4300698
2010	-611372091.6297518
2011	-695403685.5981274
2012	-677130205.0582693
2013	-802608810.230306
2014	-735797437.2755418
2015	-799111092.3729334
2016	-878130548.2902659
2017	-759315841.8375694
2018	-419478609.97778195
2019	-372189452.2390116
2020	183696253.88654137
2021	1185605302.858743
2022	3978245946.2255597
2023	10408560577.208292
