Year	current US$
1978	280000.001192093
1979	119999.997317791
1980	79999.9982118607
1981	70000.0002980232
1982	180000.00715255702
1983	129999.995231628
1984	889999.985694885
1986	720000.028610229
1987	200000.00298023198
1988	409999.99642372096
1989	2450000.04768372
1990	500000
1991	939999.997615814
1992	970000.028610229
1993	-500000
1994	-300000.011920929
1995	1549999.95231628
1996	-1669999.95708466
1997	1730000.01907349
1998	21930000.3051758
1999	9890000.34332275
2000	-39999.9991059303
2001	-119999.997317791
2002	-3990000.00953674
2003	-2430000.0667572
2004	-2269999.98092651