Year	current US$
1976	4139999.8664856004
1977	7510000.228881841
1978	17930000.3051758
1979	8739999.77111816
1980	13590000.1525879
1981	5690000.05722046
1982	9149999.61853027
1983	1789999.96185303
1985	9689999.5803833
1986	7599999.90463257
1987	17459999.084472697
1988	11020000.4577637
1989	9039999.96185303
1990	13189999.5803833
1991	12479999.5422363
1992	5679999.82833862
1993	9300000.19073486
1994	3569999.9332428
1995	5750000
1996	259999.990463257
1997	6530000.20980835
1998	2490000.00953674
1999	3150000.09536743
2000	2019999.9809265102
2001	2940000.05722046
2002	1220000.02861023
2003	2319999.9332428
2004	2980000.01907349
2005	3869999.8855590797
2006	3420000.07629395
2007	1820000.05245209
2008	90000.0035762787
2009	259999.990463257
2010	170000.00178813902
2011	-70000.0002980232
2012	43141.6109204292
2014	1589.99999985099
2017	147070.005536079
2021	288590.01398086495
2022	2526107.5496673603