Year current US$ 1989 19999.9995529652 1990 9999.99977648258 1991 39999.9991059303 1992 59999.9986588955 1993 39999.9991059303 1996 9999.99977648258 1998 9999.99977648258 1999 9999.99977648258 2000 50000.0007450581 2001 59999.9986588955 2002 70000.0002980232 2003 59999.9986588955 2004 70000.0002980232 2005 90000.0035762787 2006 79999.9982118607 2007 90000.0035762787 2008 189999.99761581398 2010 9999.99977648258