Year	current US$
1972	379999.99523162795
1973	109999.999403954
1974	2759999.99046326
1975	1509999.9904632599
1976	2640000.10490417
1977	59999.9986588955
1978	3369999.8855590797
1983	829999.983310699
1984	2369999.8855590797
1985	2900000.09536743
1986	4150000.09536743
1987	6960000.03814697
1988	1580000.04291534
1989	3390000.10490417
1990	379999.99523162795
1991	2440000.05722046
1992	7690000.05722046
1993	4880000.11444092
1994	660000.026226044
1995	6349999.90463257
1996	8989999.77111816
1997	42259998.3215332
1998	18229999.5422363
1999	49189998.626709
2000	45189998.626709
2001	29659999.8474121
2002	12659999.8474121
2003	8439999.5803833
2004	22760000.2288818