Year	current US$
1980	-1700444.2991779798
1981	-981160.4126939432
1982	122705.8490563643
1983	-293051.776540371
1984	1981072.4374906656
1985	669437.0894391106
1986	2186620.027400252
1987	3128819.9668248277
1988	747283.0333770374
1989	-7463560.444978583
1990	12397520.495900821
1991	-4696067.478796135
1992	-1933013.3328147766
1993	-4161571.010437312
1994	15767962.90350064
1995	6969484.17521567
1996	-903108.5079510097
1997	-19249153.05103482
1998	-10397639.420771502
1999	-19114895.339096386
2000	7782542.936733011
2001	-4202336.564679635
2002	3556434.9542077687
2003	2256223.9227305013
2004	-8838156.138661759
2005	-4249462.637292697
2006	-4372904.188280321
2007	33810632.07472125
2008	-13980350.03709604
2009	5505921.611631458
2010	-7950966.086336619
2011	6694461.663542622
2012	2088985.757721774
2013	9221273.32249297
2014	35475349.50939655
2015	5377667.466611113
2016	-13825640.395360863
2017	-3827303.362423593
2018	9990281.105714716
2019	6542711.856507483
2020	10497227.331976179
2021	7593954.128610032
2022	3523971.6773943617