Year	current US$
1974	2349999.90463257
1975	3210000.03814697
1976	3690000.05722046
1977	3420000.0856071725
1978	2710000.03814697
1979	2160000.0951439124
1980	2990000.0374764176
1981	6930000.174790624
1982	10200000.233948195
1983	6480000.095441936
1984	5359999.76843595
1985	4760000.092908738
1986	8000000.096857546
1987	9079999.744892118
1988	7689999.967813494
1989	8680000.15616417
1990	11449999.444186691
1991	17190000.027418166
1992	14380000.431090593
1993	10280000.15951694
1994	15079999.692738038
1995	5509999.999776483
1996	4150000.065565107
1997	4419999.867677693
1998	5969999.90940094
1999	7210000.157356259
2000	6090000.18984079
2001	5250000.141561027
2002	2610000.025480989
2003	1820000.0077485987
2004	2450000.032782554
2005	4550000.07152558
2006	-239999.99463558238
2007	14520000.189542754