Year current US$ 1992 39999.9991059303 1993 19999.9995529652 1994 39999.9991059303 1995 29999.999329447703 1996 79999.9982118607 1997 29999.999329447703 1998 19999.9995529652 2001 9999.99977648258 2004 9999.99977648258 2005 50000.0007450581 2007 109999.999403954 2009 79999.9982118607 2010 9999.99977648258 2011 59999.9986588955 2013 159999.99642372102 2014 280000.001192093 2015 19999.9995529652 2016 170000.00178813902 2017 289999.99165535 2018 109999.999403954 2019 209999.993443489 2020 209999.993443489 2021 740000.009536743 2022 639999.985694885