Year	current US$
1980	349999.99403953605
1981	959999.978542328
1982	490000.009536743
1983	400000.00596046395
1984	400000.00596046395
1985	449999.988079071
1986	629999.995231628
1987	469999.998807907
1988	469999.998807907
1989	419999.986886978
1990	419999.986886978
1991	360000.01430511504
1992	569999.992847443
1993	879999.995231628
1994	409999.99642372096
1995	389999.98569488496
1996	490000.009536743
1997	389999.98569488496
1998	490000.009536743
1999	529999.971389771
2000	490000.009536743
2001	389999.98569488496
2002	519999.980926514
2003	699999.988079071
2004	1149999.97615814