Year	current US$
1969	109999.999403954
1970	219999.998807907
1971	1720000.02861023
1972	1090000.0333786
1973	3079999.92370605
1974	2869999.8855590797
1975	3599999.90463257
1976	800000.011920929
1977	2000000
1978	540000.021457672
1979	800000.011920929
1980	4769999.98092651
1981	1879999.99523163
1982	2000000
1983	2460000.03814697
1984	2750000
1985	939999.997615814
1986	1059999.9427795399
1987	519999.980926514
1988	2000000
1989	1279999.97138977
1990	2480000.01907349
1991	2400000.09536743
1992	1419999.95708466
1993	1460000.03814697
1994	59999.9986588955
1995	2339999.91416931
1996	200000.00298023198
1997	9999.99977648258