Year	current US$
1974	39999.9991059303
1975	360000.01430511504
1976	250000
1977	680000.007152557
1978	990000.009536743
1979	1440000.0572204601
1980	2269999.98092651
1981	2329999.92370605
1982	2240000.00953674
1983	2000000
1984	879999.995231628
1985	1110000.01430511
1986	1399999.97615814
1987	1379999.99523163
1988	1340000.0333786
1989	1309999.9427795399
1990	509999.99046325695
1991	-79999.9982118607
1992	430000.00715255697
1993	90000.0035762787
1994	730000.019073486
1995	-119999.997317791
1996	-19999.9995529652
1997	280000.001192093
1998	-140000.000596046
1999	159999.99642372102
2000	250000
2001	-419999.986886978
2002	-50000.0007450581
2003	-569999.992847443