Year	current US$
1979	0
1980	0
1981	0
1982	0
1983	1980000.01907349
1984	2289999.96185303
1985	2490000.00953674
1986	3810000.0917911497
1987	2450000.04768372
1988	240000.002086163
1989	0
1990	2240000.00953674
1991	-689999.997615814
1992	-239999.994635582
1993	1750000
1994	399999.976158142
1995	-959999.918937683
1996	6670000.07629395
1997	480000.078678131
1998	11510000.0500679
1999	30280000.1502037
2000	17279999.9415874
2001	9149999.94635582
2002	12930000.1263618
2003	20150000.095367398
2004	21100000.1132488
2005	15979999.8998642
2006	18579999.9237061
2007	18439999.9976158
2008	51510000.705719
2009	21500000.208616298
2010	28030000.1204014
2011	20420000.2849102
2012	24619999.775663
2013	29929999.947547898
2014	21339999.929070503
2015	20336816.7281151
2016	22906922.7874279
2017	29889998.793602
2018	28404236.7935181
2019	35526239.1865253
2020	36590214.908123
2021	28047000.855207402
2022	5382150.165736669