Year	current US$
1993	19999.9995529652
1996	39999.9991059303
1997	29999.999329447703
1998	29999.999329447703
1999	9999.99977648258
2001	9999.99977648258
2002	19999.9995529652
2003	19999.9995529652
2004	9999.99977648258