Year current US$ 2003 29999.999329447703 2005 39999.9991059303 2006 9999.99977648258 2007 19999.9995529652 2009 50000.0007450581 2015 19999.9995529652 2016 9999.99977648258 2017 9999.99977648258 2018 9999.99977648258 2019 9999.99977648258 2020 9999.99977648258 2021 9999.99977648258 2022 9999.99977648258