Year	current US$
1972	180000.00715255702
1973	9999.99977648258
1974	230000.004172325
1975	239999.9983608721
1976	149999.9985098843
1977	140000.0043213368
1978	89999.99985098839
1979	89999.99798834328
1980	129999.99709427358
1981	15209999.680519085
1982	190000.0069290396
1983	-290000.01214444643
1984	-1169999.95708466
1985	-600000.023841858
1986	-609999.999403954
1987	-960000.0195205208
1988	-1059999.9800324403
1989	-950000.0253319744
1990	2269999.98092651
1991	3739999.9443441597
1992	3190000.144764782
1993	4669999.908655875
1994	12390000.004321337
1995	17929999.72030524
1996	10100000.247359272
1997	5279999.9807029925
1998	7340000.143274669
1999	4419999.957084656
2000	4799999.9783933135
2001	9709999.999031425
2002	9710000.287741426
2003	11160000.160336489
2004	9910000.08955598