Year current US$ 2005 29999.999329447703 2007 39999.9991059303 2008 50000.0007450581 2009 70000.0002980232 2010 9999.99977648258 2011 119999.997317791 2012 19999.9995529652 2015 19999.9995529652 2016 19999.9995529652 2017 19999.9995529652 2018 109999.999403954 2019 250000 2021 409999.99642372096 2022 379999.99523162795