Year	current US$
1972	19999.9995529652
1973	50000.0007450581
1974	39999.9991059303
1975	39999.9991059303
1976	100000.00149011599
1977	200000.00298023198
1978	289999.99165535
1979	180000.00715255702
1980	9999.99977648258
1981	460000.00834465
1982	550000.011920929
1983	740000.009536743
1984	439999.997615814
1985	449999.988079071
1986	389999.98569488496
1987	460000.00834465
1988	370000.00476837205
1989	540000.021457672
1990	579999.983310699
1991	660000.026226044
1992	730000.019073486
1993	1049999.95231628
1994	569999.992847443
1995	1200000.04768372
1996	509999.99046325695
1997	779999.971389771
1998	540000.021457672
1999	779999.971389771
2000	949999.988079071
2001	689999.997615814
2002	769999.980926514
2003	970000.028610229
2004	699999.988079071
2005	1080000.04291534
2006	579999.983310699
2007	730000.019073486
2008	70000.0002980232