Year	current US$
1973	529999.971389771
1974	740000.009536743
1976	1110000.01430511
1977	319999.99284744303
1978	59999.9986588955
1979	11279999.7329712
1980	8699999.80926514
1981	9989999.77111816
1982	660000.026226044
1983	1019999.98092651
1984	1299999.95231628
1986	740000.009536743
1987	9999.99977648258
1988	19999.9995529652
1989	1250000
1990	1379999.99523163
1991	7159999.84741211
1992	2359999.89509583
1993	3759999.99046326
1994	3009999.99046326
1995	4969999.79019165
1996	11579999.923706101
1997	4530000.20980835
1998	959999.978542328
1999	2440000.05722046
2000	620000.004768372
2001	2759999.99046326
2002	10920000.076293899
2003	9350000.38146973
2004	6510000.228881841