Year current US$ 1996 39999.9991059303 1997 39999.9991059303 1998 50000.0007450581 1999 39999.9991059303 2000 29999.999329447703 2001 29999.999329447703 2003 19999.9995529652 2004 50000.0007450581 2005 50000.0007450581 2008 29999.999329447703 2009 29999.999329447703 2010 39999.9991059303 2011 9999.99977648258 2016 50000.0007450581 2017 9999.99977648258