Year	current US$
1971	19999.9995529652
1972	119999.997317791
1973	129999.995231628
1974	159999.99642372102
1975	300000.011920929
1976	349999.99403953605
1977	230000.004172325
1978	280000.001192093
1979	550000.011920929
1980	490000.009536743
1981	720000.028610229
1982	670000.016689301
1983	300000.011920929
1984	1169999.95708466
1985	449999.988079071
1986	360000.01430511504
1987	550000.011920929
1988	439999.997615814
1989	460000.00834465
1990	889999.985694885
1991	180000.00715255702
1993	170000.00178813902
1994	170000.00178813902
1995	159999.99642372102
1996	159999.99642372102
1997	159999.99642372102
1998	59999.9986588955
1999	-59999.9986588955
2000	-39999.9991059303
2001	50000.0007450581
2002	-39999.9991059303
2003	180000.00715255702
2004	-79999.9982118607
2005	-90000.0035762787
2006	-70000.0002980232
2007	-79999.9982118607
2008	-90000.0035762787
2009	-490000.009536743