Year	current US$
1974	119999.997317791
1975	59999.9986588955
1978	9999.99977648258
1981	9999.99977648258
1982	9999.99977648258
1991	12849999.90463257
1992	9879999.870434402
1993	7719999.982044097
1994	11510000.187903635
1995	15920000.31471254
1996	10830000.16212463
1997	21459999.79972839
1998	16820000.20891428
1999	9000000.247731792
2000	7379999.987781052
2001	8469999.90940095
2002	6939999.923110003
2003	8049999.952316291
2004	3390000.060200695