Year	current US$
1969	910000.026226044
1970	620000.004768372
1971	1200000.04768372
1972	670000.016689301
1973	1509999.9904632599
1974	3019999.98092651
1975	3430000.0667572
1976	3819999.9332428
1977	1779999.97138977
1978	500000
1979	6070000.17166138
1980	6059999.94277954
1981	4280000.20980835
1982	1590000.0333786
1983	1399999.97615814
1984	6429999.82833862
1985	9239999.77111816
1986	2700000.04768372
1987	19959999.084472697
1988	3920000.07629395
1989	13649999.6185303
1990	12569999.6948242
1991	12460000.038146999
1992	9670000.07629395
1993	9210000.03814697
1994	7150000.09536743
1995	1379999.99523163