Year current US$ 1990 29999.999329447703 1991 19999.9995529652 1992 59999.9986588955 1993 70000.0002980232 1994 90000.0035762787 1995 70000.0002980232 1996 90000.0035762787 1997 50000.0007450581 1998 29999.999329447703 2000 90000.0035762787 2002 90000.0035762787 2003 370000.00476837205 2004 29999.999329447703 2007 70000.0002980232 2014 0 2017 9999.99977648258 2018 19999.9995529652 2021 9999.99977648258