Year current US$ 2005 29999.999329447703 2006 9999.99977648258 2011 9999.99977648258 2012 9999.99977648258 2013 59999.9986588955 2014 19999.9995529652 2015 19999.9995529652 2018 29999.999329447703 2019 29999.999329447703 2020 29999.999329447703 2021 29999.999329447703 2022 29999.999329447703