Year	current US$
1970	19999.9995529652
1972	90000.0035762787
1973	379999.99523162795
1974	500000
1975	939999.997615814
1976	589999.973773956
1977	819999.992847443
1978	589999.973773956
1979	1799999.95231628
1980	2049999.9523162802
1981	1840000.0333786
1982	1419999.95708466
1983	1080000.04291534
1984	959999.978542328
1985	400000.00596046395
1986	490000.009536743
1987	589999.973773956
1988	709999.978542328
1989	180000.00715255702
1990	9999.99977648258
1991	-70000.0002980232
1992	159999.99642372102
1993	19999.9995529652
1994	119999.997317791
1995	50000.0007450581
1996	119999.997317791
1997	90000.0035762787
1998	-29999.999329447703
1999	-29999.999329447703
2000	-389999.98569488496