Year	current US$
1984	19999.9995529652
1989	9999.99977648258
1997	9999.99977648258
1999	9999.99977648258
2000	39999.9991059303
2001	9999.99977648258
2002	39999.9991059303
2003	29999.999329447703
2005	9999.99977648258
2007	9999.99977648258