Year current US$ 2001 50000.0007450581 2002 59999.9986588955 2005 9999.99977648258 2007 59999.9986588955 2009 39999.9991059303 2010 19999.9995529652 2011 19999.9995529652 2012 9999.99977648258 2013 19999.9995529652 2014 50000.0007450581 2015 39999.9991059303 2016 50000.0007450581 2017 19999.9995529652 2018 9999.99977648258 2019 29999.999329447703 2020 29999.999329447703 2021 29999.999329447703 2022 159999.99642372102