Year current US$ 1996 9999.99977648258 1997 50000.0007450581 1998 19999.9995529652 1999 70000.0002980232 2000 70000.0002980232 2002 19999.9995529652 2003 9999.99977648258 2014 29999.999329447703 2015 209999.993443489 2016 170000.00178813902 2017 59999.9986588955 2018 50000.0007450581 2019 29999.999329447703 2020 19999.9995529652 2022 19999.9995529652