Year current US$ 2005 140000.000596046 2006 140000.000596046 2007 230000.004172325 2008 129999.995231628 2009 109999.999403954 2010 90000.0035762787 2011 79999.9982118607 2012 50000.0007450581 2013 50000.0007450581 2014 50000.0007450581 2015 29999.999329447703 2016 19999.9995529652 2017 9999.99977648258 2018 29999.999329447703 2019 19999.9995529652 2020 0 2021 9999.99977648258 2022 9999.99977648258