Year	current US$
1977	560000.002384186
1980	209999.993443489
1981	250000
1982	239999.994635582
1983	300000.011920929
1984	300000.011920929
1985	460000.00834465
1986	319999.99284744303
1987	219999.998807907
1988	250000
1989	389999.98569488496
1990	180000.00715255702
1991	180000.00715255702
1992	170000.00178813902
1993	219999.998807907
1994	509999.99046325695
1995	230000.004172325
1996	460000.00834465
1997	289999.99165535
1998	-39999.9991059303
1999	219999.998807907
2000	200000.00298023198
2001	-9999.99977648258
2002	280000.001192093
2003	59999.9986588955