Year	current US$
1960	5829999.92370605
1961	5119999.88555908
1962	1909999.9666214
1963	5449999.80926514
1964	280000.001192093
1965	4250000
1966	2470000.02861023
1967	2650000.09536743
1968	1320000.05245209
1969	1289999.96185303
1970	1409999.9666214
1971	3630000.1144409203
1972	2890000.10490417
1973	910000.026226044
1974	1029999.97138977
1975	-1139999.98569489
1976	2680000.0667572
1977	2069999.9332428002
1978	2349999.90463257
1979	11909999.8474121
1980	10890000.3433228
1981	9520000.45776367
1982	7929999.82833862
1983	8779999.73297119
1984	13750000
1985	20479999.5422363
1986	18469999.3133545
1987	19389999.3896484
1988	22100000.3814697
1989	40619998.9318848
1990	38159999.8474121
1991	36069999.6948242
1992	-39000000
1993	30270000.4577637
1994	26870000.8392334
1995	17729999.5422363
1996	13199999.8092651
1997	8439999.5803833
1998	6820000.17166138
1999	3750000
2000	4329999.92370605
2001	3569999.9332428
2002	3960000.03814697
2003	5019999.98092651
2004	6949999.80926514