Year current US$ 1992 280000.001192093 1994 1240000.0095367401 1996 79999.9982118607 2001 9999.99977648258 2002 90000.0035762787 2003 9999.99977648258 2004 109999.999403954 2006 9999.99977648258 2011 9999.99977648258 2014 70000.0002980232 2015 109999.999403954 2017 39999.9991059303 2018 180000.00715255702 2019 39999.9991059303 2020 39999.9991059303 2021 50000.0007450581 2022 250000