Year	current US$
1970	19999.99955296516
1973	9999.99977648258
1976	469999.998807907
1978	100000.00149011599
1979	349999.99403953605
1980	19999.9995529652
1983	70000.0002980232
1984	160000.00201165644
1985	-19999.9995529652
1986	9999.999776482502
1987	19999.9995529651
1988	39999.9991059303
1989	-9999.99977648262
1990	-19999.9995529652
1991	679999.9885261059
1992	980000.0004470348
1993	4590000.014752155
1994	4430000.048130751
1995	4769999.98092652
1996	4329999.905079597
1997	2119999.97124076
1998	5200000.062584883
1999	3310000.026598575
2000	3840000.011026861
2001	2979999.950155616
2002	2350000.0089406967
2003	3140000.0210851403
2004	2180000.0593066253