Year	current US$
1972	29999.999329447703
1973	29999.999329447703
1976	180000.00715255702
1977	200000.00298023198
1978	3839999.91416931
1979	4119999.88555908
1980	3880000.1144409203
1981	2250000
1982	1149999.97615814
1983	1370000.00476837
1984	759999.990463257
1985	860000.014305115
1986	759999.990463257
1987	509999.99046325695
1988	750000
1989	579999.983310699
1990	800000.011920929
1991	1120000.00476837
1992	3099999.90463257
1993	3230000.01907349
1994	4429999.82833862
2000	910000.026226044
2001	430000.00715255697