Year current US$ 1988 1190000.0572204601 1993 59999.9986588955 1994 109999.999403954 1995 9999.99977648258 1996 19999.9995529652 1997 9999.99977648258 1998 29999.999329447703 2000 70000.0002980232 2001 70000.0002980232 2002 70000.0002980232 2010 24979999.5422363 2011 -19999.9995529652 2012 0 2013 -90000.0035762787 2014 0 2015 0 2020 29999.999329447703 2021 29999.999329447703