Year current US$ 2005 9999.99977648258 2006 9999.99977648258 2007 59999.9986588955 2008 9999.99977648258 2012 9999.99977648258 2015 70000.0002980232 2016 19999.9995529652 2017 29999.999329447703 2018 9999.99977648258 2019 230000.004172325 2021 19999.9995529652