Year	current US$
1960	250459999.96736646
1961	229519999.99023974
1962	235730000.01721084
1963	249010000.07800758
1964	168590000.2960116
1965	218100000.90114766
1966	208359994.76164585
1967	257049994.69779423
1968	234140007.41206104
1969	328300003.331155
1970	268060002.155602
1971	305249998.0330472
1972	351480002.5410948
1973	262809999.17909458
1974	220729995.8728257
1975	213290002.7744473
1976	181109998.84083873
1977	171720002.3233891
1978	136349997.12742874
1979	100069999.44895509
1980	117300003.12626357
1981	325879988.17861104
1982	15429999.522864785
1983	9889999.533072077
1984	-34880001.97336076
1985	-7660000.421106812
1986	-23459999.92452563
1987	1580000.1863390543
1988	9300000.380724669
1989	48990000.38020316
1990	54889997.970312834
1991	52479999.877512395
1992	3060001.1721253544
1993	-34759999.87870454
1994	-107009997.46471642
1995	60499999.70197685
1996	-148580002.29857835
1997	-158220001.93037117
1998	-49039999.06033282
1999	-53770001.68524687
2000	-196579998.059198
2001	-108570002.01754272
2002	-79770003.02821393
2003	-459809985.99715555
2004	-68649998.69652092