Year	current US$
1980	3506658.9231542097
1981	3014496.267272915
1982	-3937301.24705034
1983	3014496.267272915
1984	8366765.1499819495
1985	10889098.7613736
1986	8182204.154026501
1987	1538008.29962904
1988	-1107365.97573291
1989	13042310.38085425
1990	0
1991	0
1992	0
1993	0
1994	0
1995	0
1996	172408.2861909645
1997	958641.6059348601
1998	1182519.844182885
1999	-16666.26268886125
2000	15973035.871896202
2001	-1939615.477161985
2002	7250759.89395405
2003	9815037.694790449
2004	12744909.80718365
2005	18122190.962233853
2006	7800595.269035749
2007	-5216341.35929035
2008	-17722547.83987295
2009	-5141786.4360163
2010	27535688.5632478
2011	-43450553.82372565
2012	-9118887.671151001
2013	-10810882.22912715
2014	13500000
2015	8032191.2745344
2016	-1188072.53214832
2017	-8155181.5846429495
2018	-1152988.050020865
2019	1966362.95590664
2020	26338755.6880119
2021	42257801.73509915
2022	22513666.5313391
2023	23500000