Year	current US$
1980	349999.99403953605
1981	3890000.10490417
1982	589999.973773956
1983	3309999.94277954
1984	2960000.03814697
1985	3230000.01907349
1986	3809999.94277954
1987	4969999.79019165
1988	3509999.99046326
1989	5210000.03814697
1990	9489999.77111816
1991	9750000
1992	15310000.4196167
1993	6920000.07629395
1994	1210000.03814697
1995	1549999.95231628
1996	2500000
1997	1740000.0095367401
1998	569999.992847443
1999	180000.00715255702
2001	460000.00834465
2002	5050000.19073486
2003	2819999.9332428
2004	1289999.96185303
2005	2430000.0667572
2006	600000.023841858
2007	920000.016689301
2008	899999.976158142
2009	319999.99284744303
2010	-1000000
2011	150000.005960464
2012	29999.999329447703
2013	-59999.9986588955
2014	70000.0002980232
2015	29999.999329447703
2016	19999.9995529652
2017	300000.011920929
2018	159999.99642372102
2019	79999.9982118607
2020	259999.990463257
2021	2970000.02861023
2022	430000.00715255697