Year	current US$
1979	1740000.0095367401
1980	189999.99761581398
1981	1230000.01907349
1982	800000.011920929
1983	3000000
1984	1620000.00476837
1985	4539999.96185303
1986	3180000.0667572
1987	5420000.07629395
1988	2579999.92370605
1989	5510000.228881841
1990	6590000.15258789
1991	4730000.01907349
1992	3990000.00953674
1993	6750000
1994	3190000.05722046
1995	10829999.923706101
1996	4110000.1335143996
1997	6329999.92370605
1998	3890000.10490417
1999	6320000.17166138
2000	5460000.03814697
2001	7039999.96185303
2002	5699999.80926514
2003	6800000.19073486
2004	6099999.90463257
2005	8909999.84741211
2006	4380000.11444092
2007	7789999.96185303
2008	2170000.07629395
