Year current US$ 2006 19999.9995529652 2007 119999.997317791 2008 9999.99977648258 2009 9999.99977648258 2010 19999.9995529652 2011 19999.9995529652 2012 29999.999329447703 2013 29999.999329447703 2014 29999.999329447703 2015 109999.999403954 2016 209999.993443489 2017 140000.000596046 2018 409999.99642372096 2019 610000.014305115 2020 769999.980926514 2021 439999.997615814 2022 1259999.9904632599